[INFO] cloning repository https://github.com/micheal-ndoh/CALCULATOR
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/micheal-ndoh/CALCULATOR" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicheal-ndoh%2FCALCULATOR", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicheal-ndoh%2FCALCULATOR'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b350b60b89af8f957f3993b356df5ca325b88d4
[INFO] testing micheal-ndoh/CALCULATOR against 1.95.0 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicheal-ndoh%2FCALCULATOR" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/micheal-ndoh/CALCULATOR
[INFO] finished tweaking git repo https://github.com/micheal-ndoh/CALCULATOR
[INFO] tweaked toml for git repo https://github.com/micheal-ndoh/CALCULATOR written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/micheal-ndoh/CALCULATOR on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/micheal-ndoh/CALCULATOR already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf6219447fb5c52814ae0b5d6b38b951d4c52dc7284fe420a5283cc0286b65d3
[INFO] running `Command { std: "docker" "start" "-a" "cf6219447fb5c52814ae0b5d6b38b951d4c52dc7284fe420a5283cc0286b65d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf6219447fb5c52814ae0b5d6b38b951d4c52dc7284fe420a5283cc0286b65d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf6219447fb5c52814ae0b5d6b38b951d4c52dc7284fe420a5283cc0286b65d3", kill_on_drop: false }`
[INFO] [stdout] cf6219447fb5c52814ae0b5d6b38b951d4c52dc7284fe420a5283cc0286b65d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94a6e80eab5ce7327639f3828c2751c331364c6ce6ac91f77c7093001c7f3308
[INFO] running `Command { std: "docker" "start" "-a" "94a6e80eab5ce7327639f3828c2751c331364c6ce6ac91f77c7093001c7f3308", kill_on_drop: false }`
[INFO] [stderr]    Compiling Calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `add::add`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use add::add;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `subtract::subtract`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use subtract::subtract;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `divide::divide`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use divide::divide;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `factorial::factorial`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use factorial::factorial;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `multiply::multiply`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use multiply::multiply;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `power::power`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use power::power;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `modulus::modulus`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use modulus::modulus;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Add`
[INFO] [stdout]  --> src/main.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io, ops::Add};
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/add.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn add(num1: f64, num2: f64) -> f64 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `subtract` is never used
[INFO] [stdout]  --> src/subtract.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn subtract(num1: f64, num2: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply` is never used
[INFO] [stdout]  --> src/multiply.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn multiply(num1: f64, num2: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide` is never used
[INFO] [stdout]  --> src/divide.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn divide(num1: f64, num2: f64) -> Result<f64, &'static str> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `power` is never used
[INFO] [stdout]  --> src/power.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn power(num1: f64, num2: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial` is never used
[INFO] [stdout]  --> src/factorial.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn factorial(num1: u64) -> u64 {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `modulus` is never used
[INFO] [stdout]  --> src/modulus.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn modulus(num1: f64, num2: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `num2` is never read
[INFO] [stdout]  --> src/calculator.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Calculator {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 2 | pub  num1: f64,
[INFO] [stdout] 3 | pub num2: f64
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "94a6e80eab5ce7327639f3828c2751c331364c6ce6ac91f77c7093001c7f3308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94a6e80eab5ce7327639f3828c2751c331364c6ce6ac91f77c7093001c7f3308", kill_on_drop: false }`
[INFO] [stdout] 94a6e80eab5ce7327639f3828c2751c331364c6ce6ac91f77c7093001c7f3308
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7979a942b4f4707ad446e1a492551b2e2026643fe9a240cbf6eb2ff95e096984
[INFO] running `Command { std: "docker" "start" "-a" "7979a942b4f4707ad446e1a492551b2e2026643fe9a240cbf6eb2ff95e096984", kill_on_drop: false }`
[INFO] [stderr]    Compiling Calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `add::add`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use add::add;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `subtract::subtract`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use subtract::subtract;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `divide::divide`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use divide::divide;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `factorial::factorial`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use factorial::factorial;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `multiply::multiply`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use multiply::multiply;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `power::power`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use power::power;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `modulus::modulus`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use modulus::modulus;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Add`
[INFO] [stdout]  --> src/main.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io, ops::Add};
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]  --> src/add.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn add(num1: f64, num2: f64) -> f64 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `subtract` is never used
[INFO] [stdout]  --> src/subtract.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn subtract(num1: f64, num2: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply` is never used
[INFO] [stdout]  --> src/multiply.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn multiply(num1: f64, num2: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide` is never used
[INFO] [stdout]  --> src/divide.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn divide(num1: f64, num2: f64) -> Result<f64, &'static str> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `power` is never used
[INFO] [stdout]  --> src/power.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn power(num1: f64, num2: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial` is never used
[INFO] [stdout]  --> src/factorial.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn factorial(num1: u64) -> u64 {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `modulus` is never used
[INFO] [stdout]  --> src/modulus.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn modulus(num1: f64, num2: f64) -> f64 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `num2` is never read
[INFO] [stdout]  --> src/calculator.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Calculator {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 2 | pub  num1: f64,
[INFO] [stdout] 3 | pub num2: f64
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "7979a942b4f4707ad446e1a492551b2e2026643fe9a240cbf6eb2ff95e096984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7979a942b4f4707ad446e1a492551b2e2026643fe9a240cbf6eb2ff95e096984", kill_on_drop: false }`
[INFO] [stdout] 7979a942b4f4707ad446e1a492551b2e2026643fe9a240cbf6eb2ff95e096984
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d1d3fe80a539d975aa4ce2f8d13dc3b201616e35b20f9ed1bc965acabffd65f4
[INFO] running `Command { std: "docker" "start" "-a" "d1d3fe80a539d975aa4ce2f8d13dc3b201616e35b20f9ed1bc965acabffd65f4", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `add::add`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use add::add;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `subtract::subtract`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use subtract::subtract;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `divide::divide`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use divide::divide;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `factorial::factorial`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use factorial::factorial;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `multiply::multiply`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use multiply::multiply;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `power::power`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use power::power;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `modulus::modulus`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use modulus::modulus;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ops::Add`
[INFO] [stderr]  --> src/main.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{io, ops::Add};
[INFO] [stderr]   |               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add` is never used
[INFO] [stderr]  --> src/add.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn add(num1: f64, num2: f64) -> f64 {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `subtract` is never used
[INFO] [stderr]  --> src/subtract.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn subtract(num1: f64, num2: f64) -> f64 {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `multiply` is never used
[INFO] [stderr]  --> src/multiply.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn multiply(num1: f64, num2: f64) -> f64 {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `divide` is never used
[INFO] [stderr]  --> src/divide.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn divide(num1: f64, num2: f64) -> Result<f64, &'static str> {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `power` is never used
[INFO] [stderr]  --> src/power.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn power(num1: f64, num2: f64) -> f64 {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `factorial` is never used
[INFO] [stderr]  --> src/factorial.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn factorial(num1: u64) -> u64 {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `modulus` is never used
[INFO] [stderr]  --> src/modulus.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn modulus(num1: f64, num2: f64) -> f64 {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `num2` is never read
[INFO] [stderr]  --> src/calculator.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Calculator {
[INFO] [stderr]   |            ---------- field in this struct
[INFO] [stderr] 2 | pub  num1: f64,
[INFO] [stderr] 3 | pub num2: f64
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `Calculator` (bin "Calculator" test) generated 16 warnings (run `cargo fix --bin "Calculator" -p Calculator --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/Calculator-04063c7042b2db24)
[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" "d1d3fe80a539d975aa4ce2f8d13dc3b201616e35b20f9ed1bc965acabffd65f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1d3fe80a539d975aa4ce2f8d13dc3b201616e35b20f9ed1bc965acabffd65f4", kill_on_drop: false }`
[INFO] [stdout] d1d3fe80a539d975aa4ce2f8d13dc3b201616e35b20f9ed1bc965acabffd65f4
