[INFO] cloning repository https://github.com/bkc-tomi/math-algorithm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bkc-tomi/math-algorithm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbkc-tomi%2Fmath-algorithm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbkc-tomi%2Fmath-algorithm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d5d085d3a26503779710cedb6e0905d10b1a747
[INFO] testing bkc-tomi/math-algorithm against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbkc-tomi%2Fmath-algorithm" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bkc-tomi/math-algorithm on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bkc-tomi/math-algorithm
[INFO] finished tweaking git repo https://github.com/bkc-tomi/math-algorithm
[INFO] tweaked toml for git repo https://github.com/bkc-tomi/math-algorithm written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/bkc-tomi/math-algorithm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbcfe983fe247fa907381bcf0792297294d36eea33d69b06ecb105782b0fd24e
[INFO] running `Command { std: "docker" "start" "-a" "cbcfe983fe247fa907381bcf0792297294d36eea33d69b06ecb105782b0fd24e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbcfe983fe247fa907381bcf0792297294d36eea33d69b06ecb105782b0fd24e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbcfe983fe247fa907381bcf0792297294d36eea33d69b06ecb105782b0fd24e", kill_on_drop: false }`
[INFO] [stdout] cbcfe983fe247fa907381bcf0792297294d36eea33d69b06ecb105782b0fd24e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7562ab06c3ea82cb8285ceccb423325e4cf56a2c46636d11c0e572c2d26c7d6e
[INFO] running `Command { std: "docker" "start" "-a" "7562ab06c3ea82cb8285ceccb423325e4cf56a2c46636d11c0e572c2d26c7d6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling math_algorithm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `temp` is never read
[INFO] [stdout]   --> src/section_3/q015.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut temp: u64 = 0;
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> src/section_3/q0262.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut x: f64 = 0.0;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]   --> src/section_3/q0262.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut y: f64 = 0.0;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `distance1` is never read
[INFO] [stdout]   --> src/section_3/q0262.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut distance1: f64 = 0.0;
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `distance2` is never read
[INFO] [stdout]   --> src/section_3/q0262.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut distance2: f64 = 0.0;
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/section_3/q0262.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     for i in 0..N {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `isprime`
[INFO] [stdout]  --> src/section_3/q012.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn isprime(n: u64) -> bool {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `isprime_debug`
[INFO] [stdout]   --> src/section_3/q012.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn isprime_debug(n: u64) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `divsors`
[INFO] [stdout]  --> src/section_3/q013.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn divsors(n: u64) -> Vec<u64> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `divsors_debug`
[INFO] [stdout]   --> src/section_3/q013.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn divsors_debug(n: u64) -> Vec<u64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `prime_factorization`
[INFO] [stdout]   --> src/section_3/q014.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn prime_factorization(n: u64) -> Vec<u64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `prime_factorization_debug`
[INFO] [stdout]   --> src/section_3/q014.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn prime_factorization_debug(n: u64) -> Vec<u64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gcd`
[INFO] [stdout]  --> src/section_3/q015.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn gcd(a: u64, b: u64) -> u64 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gcd_debug`
[INFO] [stdout]   --> src/section_3/q015.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn gcd_debug(a: u64, b: u64) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multi_gcd`
[INFO] [stdout]  --> src/section_3/q016.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn multi_gcd(nums: &[u64]) -> u64 {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multi_gcd_debug`
[INFO] [stdout]   --> src/section_3/q016.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn multi_gcd_debug(nums: &[u64]) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lcm`
[INFO] [stdout]  --> src/section_3/q017.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn lcm(a: u64, b: u64) -> u64 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multi_lcm`
[INFO] [stdout]   --> src/section_3/q017.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn multi_lcm(nums: &[u64]) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comb`
[INFO] [stdout]  --> src/section_3/q018.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn comb(ns: &[u16]) -> u32 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comb`
[INFO] [stdout]  --> src/section_3/q019.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn comb(cards: &[u8]) -> u32 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comb`
[INFO] [stdout]  --> src/section_3/q020.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn comb(cards: &[u32]) -> u64 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comb`
[INFO] [stdout]  --> src/section_3/q021.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn comb(r: u8, n: u8) -> u32 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comb`
[INFO] [stdout]  --> src/section_3/q022.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn comb(cards: &[u64]) -> u64 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comb_imp`
[INFO] [stdout]   --> src/section_3/q022.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn comb_imp(cards: &[u64]) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dice_expected_value`
[INFO] [stdout]  --> src/section_3/q023.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn dice_expected_value(dice_1: &[u64], dice_2: &[u64]) -> (f64, String) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expected_value`
[INFO] [stdout]  --> src/section_3/q024.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn expected_value(ps: &[u8], qs: &[u8]) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expected_value`
[INFO] [stdout]  --> src/section_3/q025.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn expected_value(a: &[u8], b: &[u8]) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expected_value`
[INFO] [stdout]  --> src/section_3/q026.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn expected_value(n: u64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `u8`
[INFO] [stdout]  --> src/my_utils/my_input.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn u8(msg: &str) -> u8 {
[INFO] [stdout]   |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `u16`
[INFO] [stdout]   --> src/my_utils/my_input.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn u16(msg: &str) -> u16 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `u32`
[INFO] [stdout]   --> src/my_utils/my_input.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn u32(msg: &str) -> u32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `i8`
[INFO] [stdout]   --> src/my_utils/my_input.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn i8(msg: &str) -> i8 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `i16`
[INFO] [stdout]   --> src/my_utils/my_input.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn i16(msg: &str) -> i16 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `i32`
[INFO] [stdout]   --> src/my_utils/my_input.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn i32(msg: &str) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `monteCarlo` should have a snake case name
[INFO] [stdout]  --> src/section_3/q0262.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn monteCarlo() -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^ help: convert the identifier to snake case: `monte_carlo`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/section_3/q0262.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let N: i32 = 1000000;
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.88s
[INFO] running `Command { std: "docker" "inspect" "7562ab06c3ea82cb8285ceccb423325e4cf56a2c46636d11c0e572c2d26c7d6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7562ab06c3ea82cb8285ceccb423325e4cf56a2c46636d11c0e572c2d26c7d6e", kill_on_drop: false }`
[INFO] [stdout] 7562ab06c3ea82cb8285ceccb423325e4cf56a2c46636d11c0e572c2d26c7d6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a38ffa3f132ca956a27198c746c1ec45bc030b0f8ae05f1817c1e5b783e4fac0
[INFO] running `Command { std: "docker" "start" "-a" "a38ffa3f132ca956a27198c746c1ec45bc030b0f8ae05f1817c1e5b783e4fac0", kill_on_drop: false }`
[INFO] [stderr]    Compiling math_algorithm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `temp` is never read
[INFO] [stdout]   --> src/section_3/q015.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut temp: u64 = 0;
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> src/section_3/q0262.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut x: f64 = 0.0;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `y` is never read
[INFO] [stdout]   --> src/section_3/q0262.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut y: f64 = 0.0;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `distance1` is never read
[INFO] [stdout]   --> src/section_3/q0262.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut distance1: f64 = 0.0;
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `distance2` is never read
[INFO] [stdout]   --> src/section_3/q0262.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut distance2: f64 = 0.0;
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/section_3/q0262.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     for i in 0..N {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `isprime`
[INFO] [stdout]  --> src/section_3/q012.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn isprime(n: u64) -> bool {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `isprime_debug`
[INFO] [stdout]   --> src/section_3/q012.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn isprime_debug(n: u64) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `divsors`
[INFO] [stdout]  --> src/section_3/q013.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn divsors(n: u64) -> Vec<u64> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `divsors_debug`
[INFO] [stdout]   --> src/section_3/q013.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn divsors_debug(n: u64) -> Vec<u64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `prime_factorization`
[INFO] [stdout]   --> src/section_3/q014.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn prime_factorization(n: u64) -> Vec<u64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `prime_factorization_debug`
[INFO] [stdout]   --> src/section_3/q014.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn prime_factorization_debug(n: u64) -> Vec<u64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gcd`
[INFO] [stdout]  --> src/section_3/q015.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn gcd(a: u64, b: u64) -> u64 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gcd_debug`
[INFO] [stdout]   --> src/section_3/q015.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn gcd_debug(a: u64, b: u64) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multi_gcd`
[INFO] [stdout]  --> src/section_3/q016.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn multi_gcd(nums: &[u64]) -> u64 {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multi_gcd_debug`
[INFO] [stdout]   --> src/section_3/q016.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn multi_gcd_debug(nums: &[u64]) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lcm`
[INFO] [stdout]  --> src/section_3/q017.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn lcm(a: u64, b: u64) -> u64 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multi_lcm`
[INFO] [stdout]   --> src/section_3/q017.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn multi_lcm(nums: &[u64]) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comb`
[INFO] [stdout]  --> src/section_3/q018.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn comb(ns: &[u16]) -> u32 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comb`
[INFO] [stdout]  --> src/section_3/q019.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn comb(cards: &[u8]) -> u32 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comb`
[INFO] [stdout]  --> src/section_3/q020.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn comb(cards: &[u32]) -> u64 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comb`
[INFO] [stdout]  --> src/section_3/q021.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn comb(r: u8, n: u8) -> u32 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comb`
[INFO] [stdout]  --> src/section_3/q022.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn comb(cards: &[u64]) -> u64 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `comb_imp`
[INFO] [stdout]   --> src/section_3/q022.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn comb_imp(cards: &[u64]) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dice_expected_value`
[INFO] [stdout]  --> src/section_3/q023.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn dice_expected_value(dice_1: &[u64], dice_2: &[u64]) -> (f64, String) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expected_value`
[INFO] [stdout]  --> src/section_3/q024.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn expected_value(ps: &[u8], qs: &[u8]) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expected_value`
[INFO] [stdout]  --> src/section_3/q025.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn expected_value(a: &[u8], b: &[u8]) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expected_value`
[INFO] [stdout]  --> src/section_3/q026.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn expected_value(n: u64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `u8`
[INFO] [stdout]  --> src/my_utils/my_input.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn u8(msg: &str) -> u8 {
[INFO] [stdout]   |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `u16`
[INFO] [stdout]   --> src/my_utils/my_input.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn u16(msg: &str) -> u16 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `u32`
[INFO] [stdout]   --> src/my_utils/my_input.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn u32(msg: &str) -> u32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `i8`
[INFO] [stdout]   --> src/my_utils/my_input.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn i8(msg: &str) -> i8 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `i16`
[INFO] [stdout]   --> src/my_utils/my_input.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn i16(msg: &str) -> i16 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `i32`
[INFO] [stdout]   --> src/my_utils/my_input.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn i32(msg: &str) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `monteCarlo` should have a snake case name
[INFO] [stdout]  --> src/section_3/q0262.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn monteCarlo() -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^ help: convert the identifier to snake case: `monte_carlo`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/section_3/q0262.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let N: i32 = 1000000;
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "a38ffa3f132ca956a27198c746c1ec45bc030b0f8ae05f1817c1e5b783e4fac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38ffa3f132ca956a27198c746c1ec45bc030b0f8ae05f1817c1e5b783e4fac0", kill_on_drop: false }`
[INFO] [stdout] a38ffa3f132ca956a27198c746c1ec45bc030b0f8ae05f1817c1e5b783e4fac0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ec5df66554a9fa7e720cbc52bb60e7020ed187616ae57640b56b2d4cb14305c
[INFO] running `Command { std: "docker" "start" "-a" "2ec5df66554a9fa7e720cbc52bb60e7020ed187616ae57640b56b2d4cb14305c", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `temp` is never read
[INFO] [stderr]   --> src/section_3/q015.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut temp: u64 = 0;
[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: value assigned to `x` is never read
[INFO] [stderr]   --> src/section_3/q0262.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut x: f64 = 0.0;
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `y` is never read
[INFO] [stderr]   --> src/section_3/q0262.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut y: f64 = 0.0;
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `distance1` is never read
[INFO] [stderr]   --> src/section_3/q0262.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut distance1: f64 = 0.0;
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `distance2` is never read
[INFO] [stderr]   --> src/section_3/q0262.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut distance2: f64 = 0.0;
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/section_3/q0262.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     for i in 0..N {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `isprime`
[INFO] [stderr]  --> src/section_3/q012.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn isprime(n: u64) -> bool {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `isprime_debug`
[INFO] [stderr]   --> src/section_3/q012.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn isprime_debug(n: u64) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `divsors`
[INFO] [stderr]  --> src/section_3/q013.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn divsors(n: u64) -> Vec<u64> {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `divsors_debug`
[INFO] [stderr]   --> src/section_3/q013.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn divsors_debug(n: u64) -> Vec<u64> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prime_factorization`
[INFO] [stderr]   --> src/section_3/q014.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn prime_factorization(n: u64) -> Vec<u64> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `prime_factorization_debug`
[INFO] [stderr]   --> src/section_3/q014.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn prime_factorization_debug(n: u64) -> Vec<u64> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gcd`
[INFO] [stderr]  --> src/section_3/q015.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn gcd(a: u64, b: u64) -> u64 {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gcd_debug`
[INFO] [stderr]   --> src/section_3/q015.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn gcd_debug(a: u64, b: u64) -> u64 {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `multi_gcd`
[INFO] [stderr]  --> src/section_3/q016.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn multi_gcd(nums: &[u64]) -> u64 {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `multi_gcd_debug`
[INFO] [stderr]   --> src/section_3/q016.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub fn multi_gcd_debug(nums: &[u64]) -> u64 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lcm`
[INFO] [stderr]  --> src/section_3/q017.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn lcm(a: u64, b: u64) -> u64 {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `multi_lcm`
[INFO] [stderr]   --> src/section_3/q017.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn multi_lcm(nums: &[u64]) -> u64 {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `comb`
[INFO] [stderr]  --> src/section_3/q018.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn comb(ns: &[u16]) -> u32 {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `comb`
[INFO] [stderr]  --> src/section_3/q019.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn comb(cards: &[u8]) -> u32 {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `comb`
[INFO] [stderr]  --> src/section_3/q020.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn comb(cards: &[u32]) -> u64 {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `comb`
[INFO] [stderr]  --> src/section_3/q021.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn comb(r: u8, n: u8) -> u32 {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `comb`
[INFO] [stderr]  --> src/section_3/q022.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn comb(cards: &[u64]) -> u64 {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `comb_imp`
[INFO] [stderr]   --> src/section_3/q022.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn comb_imp(cards: &[u64]) -> u64 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dice_expected_value`
[INFO] [stderr]  --> src/section_3/q023.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn dice_expected_value(dice_1: &[u64], dice_2: &[u64]) -> (f64, String) {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `expected_value`
[INFO] [stderr]  --> src/section_3/q024.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn expected_value(ps: &[u8], qs: &[u8]) -> f64 {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `expected_value`
[INFO] [stderr]  --> src/section_3/q025.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn expected_value(a: &[u8], b: &[u8]) -> f64 {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `expected_value`
[INFO] [stderr]  --> src/section_3/q026.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn expected_value(n: u64) -> f64 {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `u8`
[INFO] [stderr]  --> src/my_utils/my_input.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn u8(msg: &str) -> u8 {
[INFO] [stderr]   |        ^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `u16`
[INFO] [stderr]   --> src/my_utils/my_input.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn u16(msg: &str) -> u16 {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `u32`
[INFO] [stderr]   --> src/my_utils/my_input.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn u32(msg: &str) -> u32 {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `i8`
[INFO] [stderr]   --> src/my_utils/my_input.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn i8(msg: &str) -> i8 {
[INFO] [stderr]    |        ^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `i16`
[INFO] [stderr]   --> src/my_utils/my_input.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn i16(msg: &str) -> i16 {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `i32`
[INFO] [stderr]   --> src/my_utils/my_input.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn i32(msg: &str) -> i32 {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `monteCarlo` should have a snake case name
[INFO] [stderr]  --> src/section_3/q0262.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn monteCarlo() -> i32 {
[INFO] [stderr]   |        ^^^^^^^^^^ help: convert the identifier to snake case: `monte_carlo`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]   --> src/section_3/q0262.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let N: i32 = 1000000;
[INFO] [stderr]    |         ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: `math_algorithm` (bin "math_algorithm" test) generated 36 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/math_algorithm-b6f55a5a7c894775)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ec5df66554a9fa7e720cbc52bb60e7020ed187616ae57640b56b2d4cb14305c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec5df66554a9fa7e720cbc52bb60e7020ed187616ae57640b56b2d4cb14305c", kill_on_drop: false }`
[INFO] [stdout] 2ec5df66554a9fa7e720cbc52bb60e7020ed187616ae57640b56b2d4cb14305c