[INFO] updating cached repository https://github.com/wasuken/contest-book
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/wasuken/contest-book
[INFO] [stderr]    16be95e..2aecacf  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2aecacf12132e9913a7b0ad002bf8c45d98a27a7
[INFO] testing wasuken/contest-book against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwasuken%2Fcontest-book" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wasuken/contest-book on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/wasuken/contest-book
[INFO] finished tweaking git repo https://github.com/wasuken/contest-book
[INFO] tweaked toml for git repo https://github.com/wasuken/contest-book written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/wasuken/contest-book already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dad897cffbad642da04eecd48f20adbb0e33fd4df740c517c0fc8bf9ae47b572
[INFO] running `"docker" "start" "-a" "dad897cffbad642da04eecd48f20adbb0e33fd4df740c517c0fc8bf9ae47b572"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling queue v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling contest-book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]  --> src/act1.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn act1_6_1(n: i32, a: Vec<u32>) -> u32 {
[INFO] [stderr]   |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/act1.rs:15:21
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn act1_6_2(l: i32, n: i32, x: Vec<i32>) -> (i32, i32) {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/act2.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn act2_1_3(n: i32, m: i32, maze: &mut Vec<Vec<String>>) -> i32 {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> src/act2.rs:89:21
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn act2_1_3(n: i32, m: i32, maze: &mut Vec<Vec<String>>) -> i32 {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `res` is never read
[INFO] [stderr]    --> src/act2.rs:233:6
[INFO] [stderr]     |
[INFO] [stderr] 233 |     let mut res = None;
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/act2.rs:285:6
[INFO] [stderr]     |
[INFO] [stderr] 285 |     for x in 0..100 {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `max_m`
[INFO] [stderr]    --> src/act2.rs:333:6
[INFO] [stderr]     |
[INFO] [stderr] 333 |     let max_m = 1000;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_max_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/act2.rs:409:6
[INFO] [stderr]     |
[INFO] [stderr] 409 |     for i in 0..max_n {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:247:6
[INFO] [stderr]     |
[INFO] [stderr] 247 |     let mut dp: &mut Vec<Vec<Option<usize>>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:261:6
[INFO] [stderr]     |
[INFO] [stderr] 261 |     let mut dp: &mut Vec<Vec<usize>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:284:6
[INFO] [stderr]     |
[INFO] [stderr] 284 |     let mut dp: &mut Vec<usize> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:299:6
[INFO] [stderr]     |
[INFO] [stderr] 299 |     let mut dp: &mut Vec<Vec<usize>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:334:6
[INFO] [stderr]     |
[INFO] [stderr] 334 |     let mut dp: &mut Vec<i32> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:364:6
[INFO] [stderr]     |
[INFO] [stderr] 364 |     let mut dp: &mut Vec<usize> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:383:6
[INFO] [stderr]     |
[INFO] [stderr] 383 |     let mut dp: &mut Vec<Vec<usize>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:408:6
[INFO] [stderr]     |
[INFO] [stderr] 408 |     let mut dp: &mut Vec<Vec<usize>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act1_6_1`
[INFO] [stderr]  --> src/act1.rs:2:4
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn act1_6_1(n: i32, a: Vec<u32>) -> u32 {
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act1_6_2`
[INFO] [stderr]   --> src/act1.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn act1_6_2(l: i32, n: i32, x: Vec<i32>) -> (i32, i32) {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dfs`
[INFO] [stderr]   --> src/act1.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn dfs(i: i32, sum: i32, n:i32, a: &Vec<i32>, k: i32) -> bool {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dfs`
[INFO] [stderr]  --> src/act2.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn dfs(i: i32, sum: i32, n:i32, a: &Vec<i32>, k: i32) -> bool {
[INFO] [stderr]   |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_1_1`
[INFO] [stderr]   --> src/act2.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn act2_1_1(n: i32, a: &Vec<i32>, k: i32) -> String {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_1_2_dfs`
[INFO] [stderr]   --> src/act2.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn act2_1_2_dfs(x: i32, y: i32, n: i32, m: i32, field: &mut Vec<Vec<String>>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_1_2`
[INFO] [stderr]   --> src/act2.rs:41:4
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn act2_1_2(n: i32, m: i32, field: &mut Vec<Vec<String>>) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `INF`
[INFO] [stderr]   --> src/act2.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | const INF: i32 = 100000000;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_1_3_bfs`
[INFO] [stderr]   --> src/act2.rs:56:4
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn act2_1_3_bfs(sx: i32, sy: i32, gx: i32, gy: i32, maze: &mut Vec<Vec<String>>, d: &mut Vec<Vec<i32>>) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_1_3`
[INFO] [stderr]   --> src/act2.rs:89:4
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn act2_1_3(n: i32, m: i32, maze: &mut Vec<Vec<String>>) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_2_1`
[INFO] [stderr]    --> src/act2.rs:114:4
[INFO] [stderr]     |
[INFO] [stderr] 114 | fn act2_2_1(yen_cnt_list: &Vec<i32>, target: i32) -> i32 {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_2_2`
[INFO] [stderr]    --> src/act2.rs:127:4
[INFO] [stderr]     |
[INFO] [stderr] 127 | fn act2_2_2(n: usize, s: &Vec<usize>, t: &Vec<usize>) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_2_3`
[INFO] [stderr]    --> src/act2.rs:145:4
[INFO] [stderr]     |
[INFO] [stderr] 145 | fn act2_2_3(n: usize, s: &str) -> String {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_2_4`
[INFO] [stderr]    --> src/act2.rs:176:4
[INFO] [stderr]     |
[INFO] [stderr] 176 | fn act2_2_4(n: usize, r: usize, x: &Vec<usize>) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_2_5`
[INFO] [stderr]    --> src/act2.rs:198:4
[INFO] [stderr]     |
[INFO] [stderr] 198 | fn act2_2_5(n: usize, l: &Vec<usize>) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rec`
[INFO] [stderr]    --> src/act2.rs:229:4
[INFO] [stderr]     |
[INFO] [stderr] 229 | fn rec(i: usize, j: usize, n: usize, w_list: &Vec<usize>, v_list: &Vec<usize>, dp: &mut Vec<Vec<Option<usize>>>) -> usize {
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_1`
[INFO] [stderr]    --> src/act2.rs:246:4
[INFO] [stderr]     |
[INFO] [stderr] 246 | fn act2_3_1(n: usize, w_list: &Vec<usize>, v_list: &Vec<usize>, w: usize) -> usize{
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_2`
[INFO] [stderr]    --> src/act2.rs:258:4
[INFO] [stderr]     |
[INFO] [stderr] 258 | fn act2_3_2(n: usize, m: usize, s: &str, t: &str) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_3`
[INFO] [stderr]    --> src/act2.rs:283:4
[INFO] [stderr]     |
[INFO] [stderr] 283 | fn act2_3_3(n: usize, w_list: &Vec<usize>, v_list: &Vec<usize>, w: usize) -> usize{
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_4`
[INFO] [stderr]    --> src/act2.rs:296:4
[INFO] [stderr]     |
[INFO] [stderr] 296 | fn act2_3_4(n: usize, w_list: &Vec<usize>, v_list: &Vec<usize>, w: usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_5`
[INFO] [stderr]    --> src/act2.rs:331:4
[INFO] [stderr]     |
[INFO] [stderr] 331 | fn act2_3_5(n: usize, a: &Vec<usize>, m: &Vec<usize>, k: usize) -> String {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_6`
[INFO] [stderr]    --> src/act2.rs:362:4
[INFO] [stderr]     |
[INFO] [stderr] 362 | fn act2_3_6(n: usize, a:&Vec<usize>) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_7`
[INFO] [stderr]    --> src/act2.rs:380:4
[INFO] [stderr]     |
[INFO] [stderr] 380 | fn act2_3_7(n: usize, m:usize, bigM:usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_8`
[INFO] [stderr]    --> src/act2.rs:405:4
[INFO] [stderr]     |
[INFO] [stderr] 405 | fn act2_3_8(n: usize, m: usize, a: &Vec<usize>, bigM: usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bigM` should have a snake case name
[INFO] [stderr]    --> src/act2.rs:380:32
[INFO] [stderr]     |
[INFO] [stderr] 380 | fn act2_3_7(n: usize, m:usize, bigM:usize) -> usize {
[INFO] [stderr]     |                                ^^^^ help: convert the identifier to snake case: `big_m`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bigM` should have a snake case name
[INFO] [stderr]    --> src/act2.rs:405:49
[INFO] [stderr]     |
[INFO] [stderr] 405 | fn act2_3_8(n: usize, m: usize, a: &Vec<usize>, bigM: usize) -> usize {
[INFO] [stderr]     |                                                 ^^^^ help: convert the identifier to snake case: `big_m`
[INFO] [stderr] 
[INFO] [stderr] warning: 42 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.38s
[INFO] running `"docker" "inspect" "dad897cffbad642da04eecd48f20adbb0e33fd4df740c517c0fc8bf9ae47b572"`
[INFO] running `"docker" "rm" "-f" "dad897cffbad642da04eecd48f20adbb0e33fd4df740c517c0fc8bf9ae47b572"`
[INFO] [stdout] dad897cffbad642da04eecd48f20adbb0e33fd4df740c517c0fc8bf9ae47b572
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 292884d352de135b6c434b53f351177961e834319a5bdab87999f3c36dca28c5
[INFO] running `"docker" "start" "-a" "292884d352de135b6c434b53f351177961e834319a5bdab87999f3c36dca28c5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]  --> src/act1.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn act1_6_1(n: i32, a: Vec<u32>) -> u32 {
[INFO] [stderr]   |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/act1.rs:15:21
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn act1_6_2(l: i32, n: i32, x: Vec<i32>) -> (i32, i32) {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/act2.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn act2_1_3(n: i32, m: i32, maze: &mut Vec<Vec<String>>) -> i32 {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> src/act2.rs:89:21
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn act2_1_3(n: i32, m: i32, maze: &mut Vec<Vec<String>>) -> i32 {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `res` is never read
[INFO] [stderr]    --> src/act2.rs:233:6
[INFO] [stderr]     |
[INFO] [stderr] 233 |     let mut res = None;
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/act2.rs:285:6
[INFO] [stderr]     |
[INFO] [stderr] 285 |     for x in 0..100 {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `max_m`
[INFO] [stderr]    --> src/act2.rs:333:6
[INFO] [stderr]     |
[INFO] [stderr] 333 |     let max_m = 1000;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_max_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/act2.rs:409:6
[INFO] [stderr]     |
[INFO] [stderr] 409 |     for i in 0..max_n {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:247:6
[INFO] [stderr]     |
[INFO] [stderr] 247 |     let mut dp: &mut Vec<Vec<Option<usize>>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:261:6
[INFO] [stderr]     |
[INFO] [stderr] 261 |     let mut dp: &mut Vec<Vec<usize>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:284:6
[INFO] [stderr]     |
[INFO] [stderr] 284 |     let mut dp: &mut Vec<usize> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:299:6
[INFO] [stderr]     |
[INFO] [stderr] 299 |     let mut dp: &mut Vec<Vec<usize>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:334:6
[INFO] [stderr]     |
[INFO] [stderr] 334 |     let mut dp: &mut Vec<i32> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:364:6
[INFO] [stderr]     |
[INFO] [stderr] 364 |     let mut dp: &mut Vec<usize> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:383:6
[INFO] [stderr]     |
[INFO] [stderr] 383 |     let mut dp: &mut Vec<Vec<usize>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:408:6
[INFO] [stderr]     |
[INFO] [stderr] 408 |     let mut dp: &mut Vec<Vec<usize>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act1_6_1`
[INFO] [stderr]  --> src/act1.rs:2:4
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn act1_6_1(n: i32, a: Vec<u32>) -> u32 {
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act1_6_2`
[INFO] [stderr]   --> src/act1.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn act1_6_2(l: i32, n: i32, x: Vec<i32>) -> (i32, i32) {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dfs`
[INFO] [stderr]   --> src/act1.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn dfs(i: i32, sum: i32, n:i32, a: &Vec<i32>, k: i32) -> bool {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dfs`
[INFO] [stderr]  --> src/act2.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn dfs(i: i32, sum: i32, n:i32, a: &Vec<i32>, k: i32) -> bool {
[INFO] [stderr]   |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_1_1`
[INFO] [stderr]   --> src/act2.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn act2_1_1(n: i32, a: &Vec<i32>, k: i32) -> String {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_1_2_dfs`
[INFO] [stderr]   --> src/act2.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn act2_1_2_dfs(x: i32, y: i32, n: i32, m: i32, field: &mut Vec<Vec<String>>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_1_2`
[INFO] [stderr]   --> src/act2.rs:41:4
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn act2_1_2(n: i32, m: i32, field: &mut Vec<Vec<String>>) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `INF`
[INFO] [stderr]   --> src/act2.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | const INF: i32 = 100000000;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_1_3_bfs`
[INFO] [stderr]   --> src/act2.rs:56:4
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn act2_1_3_bfs(sx: i32, sy: i32, gx: i32, gy: i32, maze: &mut Vec<Vec<String>>, d: &mut Vec<Vec<i32>>) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_1_3`
[INFO] [stderr]   --> src/act2.rs:89:4
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn act2_1_3(n: i32, m: i32, maze: &mut Vec<Vec<String>>) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_2_1`
[INFO] [stderr]    --> src/act2.rs:114:4
[INFO] [stderr]     |
[INFO] [stderr] 114 | fn act2_2_1(yen_cnt_list: &Vec<i32>, target: i32) -> i32 {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_2_2`
[INFO] [stderr]    --> src/act2.rs:127:4
[INFO] [stderr]     |
[INFO] [stderr] 127 | fn act2_2_2(n: usize, s: &Vec<usize>, t: &Vec<usize>) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_2_3`
[INFO] [stderr]    --> src/act2.rs:145:4
[INFO] [stderr]     |
[INFO] [stderr] 145 | fn act2_2_3(n: usize, s: &str) -> String {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_2_4`
[INFO] [stderr]    --> src/act2.rs:176:4
[INFO] [stderr]     |
[INFO] [stderr] 176 | fn act2_2_4(n: usize, r: usize, x: &Vec<usize>) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_2_5`
[INFO] [stderr]    --> src/act2.rs:198:4
[INFO] [stderr]     |
[INFO] [stderr] 198 | fn act2_2_5(n: usize, l: &Vec<usize>) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rec`
[INFO] [stderr]    --> src/act2.rs:229:4
[INFO] [stderr]     |
[INFO] [stderr] 229 | fn rec(i: usize, j: usize, n: usize, w_list: &Vec<usize>, v_list: &Vec<usize>, dp: &mut Vec<Vec<Option<usize>>>) -> usize {
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_1`
[INFO] [stderr]    --> src/act2.rs:246:4
[INFO] [stderr]     |
[INFO] [stderr] 246 | fn act2_3_1(n: usize, w_list: &Vec<usize>, v_list: &Vec<usize>, w: usize) -> usize{
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_2`
[INFO] [stderr]    --> src/act2.rs:258:4
[INFO] [stderr]     |
[INFO] [stderr] 258 | fn act2_3_2(n: usize, m: usize, s: &str, t: &str) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_3`
[INFO] [stderr]    --> src/act2.rs:283:4
[INFO] [stderr]     |
[INFO] [stderr] 283 | fn act2_3_3(n: usize, w_list: &Vec<usize>, v_list: &Vec<usize>, w: usize) -> usize{
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_4`
[INFO] [stderr]    --> src/act2.rs:296:4
[INFO] [stderr]     |
[INFO] [stderr] 296 | fn act2_3_4(n: usize, w_list: &Vec<usize>, v_list: &Vec<usize>, w: usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_5`
[INFO] [stderr]    --> src/act2.rs:331:4
[INFO] [stderr]     |
[INFO] [stderr] 331 | fn act2_3_5(n: usize, a: &Vec<usize>, m: &Vec<usize>, k: usize) -> String {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_6`
[INFO] [stderr]    --> src/act2.rs:362:4
[INFO] [stderr]     |
[INFO] [stderr] 362 | fn act2_3_6(n: usize, a:&Vec<usize>) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_7`
[INFO] [stderr]    --> src/act2.rs:380:4
[INFO] [stderr]     |
[INFO] [stderr] 380 | fn act2_3_7(n: usize, m:usize, bigM:usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_8`
[INFO] [stderr]    --> src/act2.rs:405:4
[INFO] [stderr]     |
[INFO] [stderr] 405 | fn act2_3_8(n: usize, m: usize, a: &Vec<usize>, bigM: usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bigM` should have a snake case name
[INFO] [stderr]    --> src/act2.rs:380:32
[INFO] [stderr]     |
[INFO] [stderr] 380 | fn act2_3_7(n: usize, m:usize, bigM:usize) -> usize {
[INFO] [stderr]     |                                ^^^^ help: convert the identifier to snake case: `big_m`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bigM` should have a snake case name
[INFO] [stderr]    --> src/act2.rs:405:49
[INFO] [stderr]     |
[INFO] [stderr] 405 | fn act2_3_8(n: usize, m: usize, a: &Vec<usize>, bigM: usize) -> usize {
[INFO] [stderr]     |                                                 ^^^^ help: convert the identifier to snake case: `big_m`
[INFO] [stderr] 
[INFO] [stderr] warning: 42 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling contest-book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]  --> src/act1.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn act1_6_1(n: i32, a: Vec<u32>) -> u32 {
[INFO] [stderr]   |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/act1.rs:15:21
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn act1_6_2(l: i32, n: i32, x: Vec<i32>) -> (i32, i32) {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/act2.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn act2_1_3(n: i32, m: i32, maze: &mut Vec<Vec<String>>) -> i32 {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> src/act2.rs:89:21
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn act2_1_3(n: i32, m: i32, maze: &mut Vec<Vec<String>>) -> i32 {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `res` is never read
[INFO] [stderr]    --> src/act2.rs:233:6
[INFO] [stderr]     |
[INFO] [stderr] 233 |     let mut res = None;
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/act2.rs:285:6
[INFO] [stderr]     |
[INFO] [stderr] 285 |     for x in 0..100 {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `max_m`
[INFO] [stderr]    --> src/act2.rs:333:6
[INFO] [stderr]     |
[INFO] [stderr] 333 |     let max_m = 1000;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_max_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/act2.rs:409:6
[INFO] [stderr]     |
[INFO] [stderr] 409 |     for i in 0..max_n {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:247:6
[INFO] [stderr]     |
[INFO] [stderr] 247 |     let mut dp: &mut Vec<Vec<Option<usize>>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:261:6
[INFO] [stderr]     |
[INFO] [stderr] 261 |     let mut dp: &mut Vec<Vec<usize>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:284:6
[INFO] [stderr]     |
[INFO] [stderr] 284 |     let mut dp: &mut Vec<usize> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:299:6
[INFO] [stderr]     |
[INFO] [stderr] 299 |     let mut dp: &mut Vec<Vec<usize>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:334:6
[INFO] [stderr]     |
[INFO] [stderr] 334 |     let mut dp: &mut Vec<i32> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:364:6
[INFO] [stderr]     |
[INFO] [stderr] 364 |     let mut dp: &mut Vec<usize> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:383:6
[INFO] [stderr]     |
[INFO] [stderr] 383 |     let mut dp: &mut Vec<Vec<usize>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:408:6
[INFO] [stderr]     |
[INFO] [stderr] 408 |     let mut dp: &mut Vec<Vec<usize>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:443:7
[INFO] [stderr]     |
[INFO] [stderr] 443 |         let mut input = vec![vec!["W",".",".",".",".",".",".",".",".","W","W","."],
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:466:7
[INFO] [stderr]     |
[INFO] [stderr] 466 |         let mut input = vec![vec!["#","S","#","#","#","#","#","#",".","#"],
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dfs`
[INFO] [stderr]   --> src/act1.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn dfs(i: i32, sum: i32, n:i32, a: &Vec<i32>, k: i32) -> bool {
[INFO] [stderr]    |    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bigM` should have a snake case name
[INFO] [stderr]    --> src/act2.rs:380:32
[INFO] [stderr]     |
[INFO] [stderr] 380 | fn act2_3_7(n: usize, m:usize, bigM:usize) -> usize {
[INFO] [stderr]     |                                ^^^^ help: convert the identifier to snake case: `big_m`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bigM` should have a snake case name
[INFO] [stderr]    --> src/act2.rs:405:49
[INFO] [stderr]     |
[INFO] [stderr] 405 | fn act2_3_8(n: usize, m: usize, a: &Vec<usize>, bigM: usize) -> usize {
[INFO] [stderr]     |                                                 ^^^^ help: convert the identifier to snake case: `big_m`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sInput` should have a snake case name
[INFO] [stderr]    --> src/act2.rs:454:11
[INFO] [stderr]     |
[INFO] [stderr] 454 |         let mut sInput = Vec::new();
[INFO] [stderr]     |                 ^^^^^^ help: convert the identifier to snake case: `s_input`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sInput` should have a snake case name
[INFO] [stderr]    --> src/act2.rs:477:11
[INFO] [stderr]     |
[INFO] [stderr] 477 |         let mut sInput = Vec::new();
[INFO] [stderr]     |                 ^^^^^^ help: convert the identifier to snake case: `s_input`
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `"docker" "inspect" "292884d352de135b6c434b53f351177961e834319a5bdab87999f3c36dca28c5"`
[INFO] running `"docker" "rm" "-f" "292884d352de135b6c434b53f351177961e834319a5bdab87999f3c36dca28c5"`
[INFO] [stdout] 292884d352de135b6c434b53f351177961e834319a5bdab87999f3c36dca28c5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] 91f7d16c4f9f6bcd70b6a21d7102037c34d13c9f343dc42387a7479c7e4dd877
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "91f7d16c4f9f6bcd70b6a21d7102037c34d13c9f343dc42387a7479c7e4dd877"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]  --> src/act1.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn act1_6_1(n: i32, a: Vec<u32>) -> u32 {
[INFO] [stderr]   |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/act1.rs:15:21
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn act1_6_2(l: i32, n: i32, x: Vec<i32>) -> (i32, i32) {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/act2.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn act2_1_3(n: i32, m: i32, maze: &mut Vec<Vec<String>>) -> i32 {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> src/act2.rs:89:21
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn act2_1_3(n: i32, m: i32, maze: &mut Vec<Vec<String>>) -> i32 {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `res` is never read
[INFO] [stderr]    --> src/act2.rs:233:6
[INFO] [stderr]     |
[INFO] [stderr] 233 |     let mut res = None;
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/act2.rs:285:6
[INFO] [stderr]     |
[INFO] [stderr] 285 |     for x in 0..100 {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `max_m`
[INFO] [stderr]    --> src/act2.rs:333:6
[INFO] [stderr]     |
[INFO] [stderr] 333 |     let max_m = 1000;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_max_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/act2.rs:409:6
[INFO] [stderr]     |
[INFO] [stderr] 409 |     for i in 0..max_n {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:247:6
[INFO] [stderr]     |
[INFO] [stderr] 247 |     let mut dp: &mut Vec<Vec<Option<usize>>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:261:6
[INFO] [stderr]     |
[INFO] [stderr] 261 |     let mut dp: &mut Vec<Vec<usize>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:284:6
[INFO] [stderr]     |
[INFO] [stderr] 284 |     let mut dp: &mut Vec<usize> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:299:6
[INFO] [stderr]     |
[INFO] [stderr] 299 |     let mut dp: &mut Vec<Vec<usize>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:334:6
[INFO] [stderr]     |
[INFO] [stderr] 334 |     let mut dp: &mut Vec<i32> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:364:6
[INFO] [stderr]     |
[INFO] [stderr] 364 |     let mut dp: &mut Vec<usize> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:383:6
[INFO] [stderr]     |
[INFO] [stderr] 383 |     let mut dp: &mut Vec<Vec<usize>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:408:6
[INFO] [stderr]     |
[INFO] [stderr] 408 |     let mut dp: &mut Vec<Vec<usize>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act1_6_1`
[INFO] [stderr]  --> src/act1.rs:2:4
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn act1_6_1(n: i32, a: Vec<u32>) -> u32 {
[INFO] [stderr]   |    ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act1_6_2`
[INFO] [stderr]   --> src/act1.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn act1_6_2(l: i32, n: i32, x: Vec<i32>) -> (i32, i32) {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dfs`
[INFO] [stderr]   --> src/act1.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn dfs(i: i32, sum: i32, n:i32, a: &Vec<i32>, k: i32) -> bool {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dfs`
[INFO] [stderr]  --> src/act2.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn dfs(i: i32, sum: i32, n:i32, a: &Vec<i32>, k: i32) -> bool {
[INFO] [stderr]   |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_1_1`
[INFO] [stderr]   --> src/act2.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn act2_1_1(n: i32, a: &Vec<i32>, k: i32) -> String {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_1_2_dfs`
[INFO] [stderr]   --> src/act2.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn act2_1_2_dfs(x: i32, y: i32, n: i32, m: i32, field: &mut Vec<Vec<String>>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_1_2`
[INFO] [stderr]   --> src/act2.rs:41:4
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn act2_1_2(n: i32, m: i32, field: &mut Vec<Vec<String>>) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `INF`
[INFO] [stderr]   --> src/act2.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | const INF: i32 = 100000000;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_1_3_bfs`
[INFO] [stderr]   --> src/act2.rs:56:4
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn act2_1_3_bfs(sx: i32, sy: i32, gx: i32, gy: i32, maze: &mut Vec<Vec<String>>, d: &mut Vec<Vec<i32>>) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_1_3`
[INFO] [stderr]   --> src/act2.rs:89:4
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn act2_1_3(n: i32, m: i32, maze: &mut Vec<Vec<String>>) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_2_1`
[INFO] [stderr]    --> src/act2.rs:114:4
[INFO] [stderr]     |
[INFO] [stderr] 114 | fn act2_2_1(yen_cnt_list: &Vec<i32>, target: i32) -> i32 {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_2_2`
[INFO] [stderr]    --> src/act2.rs:127:4
[INFO] [stderr]     |
[INFO] [stderr] 127 | fn act2_2_2(n: usize, s: &Vec<usize>, t: &Vec<usize>) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_2_3`
[INFO] [stderr]    --> src/act2.rs:145:4
[INFO] [stderr]     |
[INFO] [stderr] 145 | fn act2_2_3(n: usize, s: &str) -> String {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_2_4`
[INFO] [stderr]    --> src/act2.rs:176:4
[INFO] [stderr]     |
[INFO] [stderr] 176 | fn act2_2_4(n: usize, r: usize, x: &Vec<usize>) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_2_5`
[INFO] [stderr]    --> src/act2.rs:198:4
[INFO] [stderr]     |
[INFO] [stderr] 198 | fn act2_2_5(n: usize, l: &Vec<usize>) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rec`
[INFO] [stderr]    --> src/act2.rs:229:4
[INFO] [stderr]     |
[INFO] [stderr] 229 | fn rec(i: usize, j: usize, n: usize, w_list: &Vec<usize>, v_list: &Vec<usize>, dp: &mut Vec<Vec<Option<usize>>>) -> usize {
[INFO] [stderr]     |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_1`
[INFO] [stderr]    --> src/act2.rs:246:4
[INFO] [stderr]     |
[INFO] [stderr] 246 | fn act2_3_1(n: usize, w_list: &Vec<usize>, v_list: &Vec<usize>, w: usize) -> usize{
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_2`
[INFO] [stderr]    --> src/act2.rs:258:4
[INFO] [stderr]     |
[INFO] [stderr] 258 | fn act2_3_2(n: usize, m: usize, s: &str, t: &str) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_3`
[INFO] [stderr]    --> src/act2.rs:283:4
[INFO] [stderr]     |
[INFO] [stderr] 283 | fn act2_3_3(n: usize, w_list: &Vec<usize>, v_list: &Vec<usize>, w: usize) -> usize{
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_4`
[INFO] [stderr]    --> src/act2.rs:296:4
[INFO] [stderr]     |
[INFO] [stderr] 296 | fn act2_3_4(n: usize, w_list: &Vec<usize>, v_list: &Vec<usize>, w: usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_5`
[INFO] [stderr]    --> src/act2.rs:331:4
[INFO] [stderr]     |
[INFO] [stderr] 331 | fn act2_3_5(n: usize, a: &Vec<usize>, m: &Vec<usize>, k: usize) -> String {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_6`
[INFO] [stderr]    --> src/act2.rs:362:4
[INFO] [stderr]     |
[INFO] [stderr] 362 | fn act2_3_6(n: usize, a:&Vec<usize>) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_7`
[INFO] [stderr]    --> src/act2.rs:380:4
[INFO] [stderr]     |
[INFO] [stderr] 380 | fn act2_3_7(n: usize, m:usize, bigM:usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `act2_3_8`
[INFO] [stderr]    --> src/act2.rs:405:4
[INFO] [stderr]     |
[INFO] [stderr] 405 | fn act2_3_8(n: usize, m: usize, a: &Vec<usize>, bigM: usize) -> usize {
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bigM` should have a snake case name
[INFO] [stderr]    --> src/act2.rs:380:32
[INFO] [stderr]     |
[INFO] [stderr] 380 | fn act2_3_7(n: usize, m:usize, bigM:usize) -> usize {
[INFO] [stderr]     |                                ^^^^ help: convert the identifier to snake case: `big_m`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bigM` should have a snake case name
[INFO] [stderr]    --> src/act2.rs:405:49
[INFO] [stderr]     |
[INFO] [stderr] 405 | fn act2_3_8(n: usize, m: usize, a: &Vec<usize>, bigM: usize) -> usize {
[INFO] [stderr]     |                                                 ^^^^ help: convert the identifier to snake case: `big_m`
[INFO] [stderr] 
[INFO] [stderr] warning: 42 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]  --> src/act1.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn act1_6_1(n: i32, a: Vec<u32>) -> u32 {
[INFO] [stderr]   |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/act1.rs:15:21
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn act1_6_2(l: i32, n: i32, x: Vec<i32>) -> (i32, i32) {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/act2.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn act2_1_3(n: i32, m: i32, maze: &mut Vec<Vec<String>>) -> i32 {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]   --> src/act2.rs:89:21
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn act2_1_3(n: i32, m: i32, maze: &mut Vec<Vec<String>>) -> i32 {
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `res` is never read
[INFO] [stderr]    --> src/act2.rs:233:6
[INFO] [stderr]     |
[INFO] [stderr] 233 |     let mut res = None;
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/act2.rs:285:6
[INFO] [stderr]     |
[INFO] [stderr] 285 |     for x in 0..100 {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `max_m`
[INFO] [stderr]    --> src/act2.rs:333:6
[INFO] [stderr]     |
[INFO] [stderr] 333 |     let max_m = 1000;
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_max_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/act2.rs:409:6
[INFO] [stderr]     |
[INFO] [stderr] 409 |     for i in 0..max_n {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:247:6
[INFO] [stderr]     |
[INFO] [stderr] 247 |     let mut dp: &mut Vec<Vec<Option<usize>>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:261:6
[INFO] [stderr]     |
[INFO] [stderr] 261 |     let mut dp: &mut Vec<Vec<usize>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:284:6
[INFO] [stderr]     |
[INFO] [stderr] 284 |     let mut dp: &mut Vec<usize> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:299:6
[INFO] [stderr]     |
[INFO] [stderr] 299 |     let mut dp: &mut Vec<Vec<usize>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:334:6
[INFO] [stderr]     |
[INFO] [stderr] 334 |     let mut dp: &mut Vec<i32> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:364:6
[INFO] [stderr]     |
[INFO] [stderr] 364 |     let mut dp: &mut Vec<usize> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:383:6
[INFO] [stderr]     |
[INFO] [stderr] 383 |     let mut dp: &mut Vec<Vec<usize>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:408:6
[INFO] [stderr]     |
[INFO] [stderr] 408 |     let mut dp: &mut Vec<Vec<usize>> = &mut Vec::new();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:443:7
[INFO] [stderr]     |
[INFO] [stderr] 443 |         let mut input = vec![vec!["W",".",".",".",".",".",".",".",".","W","W","."],
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/act2.rs:466:7
[INFO] [stderr]     |
[INFO] [stderr] 466 |         let mut input = vec![vec!["#","S","#","#","#","#","#","#",".","#"],
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dfs`
[INFO] [stderr]   --> src/act1.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn dfs(i: i32, sum: i32, n:i32, a: &Vec<i32>, k: i32) -> bool {
[INFO] [stderr]    |    ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bigM` should have a snake case name
[INFO] [stderr]    --> src/act2.rs:380:32
[INFO] [stderr]     |
[INFO] [stderr] 380 | fn act2_3_7(n: usize, m:usize, bigM:usize) -> usize {
[INFO] [stderr]     |                                ^^^^ help: convert the identifier to snake case: `big_m`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `bigM` should have a snake case name
[INFO] [stderr]    --> src/act2.rs:405:49
[INFO] [stderr]     |
[INFO] [stderr] 405 | fn act2_3_8(n: usize, m: usize, a: &Vec<usize>, bigM: usize) -> usize {
[INFO] [stderr]     |                                                 ^^^^ help: convert the identifier to snake case: `big_m`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sInput` should have a snake case name
[INFO] [stderr]    --> src/act2.rs:454:11
[INFO] [stderr]     |
[INFO] [stderr] 454 |         let mut sInput = Vec::new();
[INFO] [stderr]     |                 ^^^^^^ help: convert the identifier to snake case: `s_input`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sInput` should have a snake case name
[INFO] [stderr]    --> src/act2.rs:477:11
[INFO] [stderr]     |
[INFO] [stderr] 477 |         let mut sInput = Vec::new();
[INFO] [stderr]     |                 ^^^^^^ help: convert the identifier to snake case: `s_input`
[INFO] [stderr] 
[INFO] [stderr] warning: 23 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/contest_book-8836ea8ab38a33fc
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test act1::tests::act1_6_2_test ... ok
[INFO] [stdout] test act2::tests::act2_1_1_test ... ok
[INFO] [stdout] test act1::tests::act1_6_1_test ... ok
[INFO] [stdout] test act2::tests::act2_1_2_test ... ok
[INFO] [stdout] test act2::tests::act2_2_1_test ... ok
[INFO] [stdout] test act2::tests::act2_2_2_test ... ok
[INFO] [stdout] test act2::tests::act2_1_3_test ... ok
[INFO] [stdout] test act2::tests::act2_2_5_test ... ok
[INFO] [stdout] test act2::tests::act2_2_4_test ... ok
[INFO] [stdout] test act2::tests::act2_2_3_test ... ok
[INFO] [stdout] test act2::tests::act2_3_3_test ... ok
[INFO] [stdout] test act2::tests::act2_3_5_test ... ok
[INFO] [stdout] test act2::tests::act2_3_6_test ... ok
[INFO] [stdout] test act2::tests::act2_3_7_test ... ok
[INFO] [stdout] test act2::tests::act2_3_8_test ... ok
[INFO] [stdout] test act2::tests::act2_3_4_test ... ok
[INFO] [stdout] test act2::tests::act2_3_2_test ... ok
[INFO] [stdout] test act2::tests::act2_3_1_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests contest-book
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "91f7d16c4f9f6bcd70b6a21d7102037c34d13c9f343dc42387a7479c7e4dd877"`
[INFO] running `"docker" "rm" "-f" "91f7d16c4f9f6bcd70b6a21d7102037c34d13c9f343dc42387a7479c7e4dd877"`
[INFO] [stdout] 91f7d16c4f9f6bcd70b6a21d7102037c34d13c9f343dc42387a7479c7e4dd877