[INFO] cloning repository https://github.com/cynicalart/simple_calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cynicalart/simple_calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcynicalart%2Fsimple_calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcynicalart%2Fsimple_calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3b7e98af636dee3f92215cf0b50a39796a958b6
[INFO] checking cynicalart/simple_calculator against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcynicalart%2Fsimple_calculator" "/workspace/builds/worker-110/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-110/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cynicalart/simple_calculator on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cynicalart/simple_calculator
[INFO] finished tweaking git repo https://github.com/cynicalart/simple_calculator
[INFO] tweaked toml for git repo https://github.com/cynicalart/simple_calculator written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] crate git repo https://github.com/cynicalart/simple_calculator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07c2b85c573697dc505d8da3a2902fe649ce1e233a41a0a5612913e397530f37
[INFO] running `Command { std: "docker" "start" "-a" "07c2b85c573697dc505d8da3a2902fe649ce1e233a41a0a5612913e397530f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07c2b85c573697dc505d8da3a2902fe649ce1e233a41a0a5612913e397530f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c2b85c573697dc505d8da3a2902fe649ce1e233a41a0a5612913e397530f37", kill_on_drop: false }`
[INFO] [stdout] 07c2b85c573697dc505d8da3a2902fe649ce1e233a41a0a5612913e397530f37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 619070cbfd93b5f78037910425304f1be66a2dcc81ce49009369638e359c692e
[INFO] running `Command { std: "docker" "start" "-a" "619070cbfd93b5f78037910425304f1be66a2dcc81ce49009369638e359c692e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking simple_calculator v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[INFO] [stderr]        Fixed src/calculus.rs (1 fix)
[INFO] [stdout] warning: value assigned to `multiplier` is never read
[INFO] [stdout]    --> src/calculus.rs:440:13
[INFO] [stdout]     |
[INFO] [stdout] 440 |     let mut multiplier: f64 = 0.0;
[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 `exponent` is never read
[INFO] [stdout]    --> src/calculus.rs:441:13
[INFO] [stdout]     |
[INFO] [stdout] 441 |     let mut exponent: 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 `new_multiplier` is never read
[INFO] [stdout]    --> src/calculus.rs:444:13
[INFO] [stdout]     |
[INFO] [stdout] 444 |     let mut new_multiplier: 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 `new_exponent` is never read
[INFO] [stdout]    --> src/calculus.rs:445:13
[INFO] [stdout]     |
[INFO] [stdout] 445 |     let mut new_exponent: 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 `multiplier` is never read
[INFO] [stdout]    --> src/calculus.rs:452:9
[INFO] [stdout]     |
[INFO] [stdout] 452 |         multiplier = 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 `exponent` is never read
[INFO] [stdout]    --> src/calculus.rs:453:9
[INFO] [stdout]     |
[INFO] [stdout] 453 |         exponent = 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 `multiplied_derivative` is never read
[INFO] [stdout]    --> src/calculus.rs:535:5
[INFO] [stdout]     |
[INFO] [stdout] 535 |     multiplied_derivative = Vec::new();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OPERATORS_ARR`
[INFO] [stdout]  --> src/calculus.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const OPERATORS_ARR: [char; 5] = ['^', '*', '/', '+', '-'];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FUNCTIONS_ARR`
[INFO] [stdout]  --> src/calculus.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const FUNCTIONS_ARR: [&str; 16] = ["log", "ln", "sin", "cos", "tan", "csc", "sec", "cot", "arcsin", "arccos", "arctan", "arccsc", "arcsec", "arccot", "to_deg", "to_rad"];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EULER`
[INFO] [stdout]  --> src/calculus.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const EULER: f64 = std::f64::consts::E;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PI`
[INFO] [stdout]  --> src/calculus.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const PI: f64 = std::f64::consts::PI;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `multiplier` is never read
[INFO] [stdout]    --> src/calculus.rs:440:13
[INFO] [stdout]     |
[INFO] [stdout] 440 |     let mut multiplier: f64 = 0.0;
[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 `exponent` is never read
[INFO] [stdout]    --> src/calculus.rs:441:13
[INFO] [stdout]     |
[INFO] [stdout] 441 |     let mut exponent: 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 `new_multiplier` is never read
[INFO] [stdout]    --> src/calculus.rs:444:13
[INFO] [stdout]     |
[INFO] [stdout] 444 |     let mut new_multiplier: 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 `new_exponent` is never read
[INFO] [stdout]    --> src/calculus.rs:445:13
[INFO] [stdout]     |
[INFO] [stdout] 445 |     let mut new_exponent: 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 `multiplier` is never read
[INFO] [stdout]    --> src/calculus.rs:452:9
[INFO] [stdout]     |
[INFO] [stdout] 452 |         multiplier = 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 `exponent` is never read
[INFO] [stdout]    --> src/calculus.rs:453:9
[INFO] [stdout]     |
[INFO] [stdout] 453 |         exponent = 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 `multiplied_derivative` is never read
[INFO] [stdout]    --> src/calculus.rs:535:5
[INFO] [stdout]     |
[INFO] [stdout] 535 |     multiplied_derivative = Vec::new();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OPERATORS_ARR`
[INFO] [stdout]  --> src/calculus.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const OPERATORS_ARR: [char; 5] = ['^', '*', '/', '+', '-'];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FUNCTIONS_ARR`
[INFO] [stdout]  --> src/calculus.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const FUNCTIONS_ARR: [&str; 16] = ["log", "ln", "sin", "cos", "tan", "csc", "sec", "cot", "arcsin", "arccos", "arctan", "arccsc", "arcsec", "arccot", "to_deg", "to_rad"];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EULER`
[INFO] [stdout]  --> src/calculus.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const EULER: f64 = std::f64::consts::E;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PI`
[INFO] [stdout]  --> src/calculus.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const PI: f64 = std::f64::consts::PI;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.52s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking simple_calculator v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: value assigned to `multiplier` is never read
[INFO] [stdout]    --> src/calculus.rs:440:13
[INFO] [stdout]     |
[INFO] [stdout] 440 |     let mut multiplier: f64 = 0.0;
[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 `exponent` is never read
[INFO] [stdout]    --> src/calculus.rs:441:13
[INFO] [stdout]     |
[INFO] [stdout] 441 |     let mut exponent: 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 `new_multiplier` is never read
[INFO] [stdout]    --> src/calculus.rs:444:13
[INFO] [stdout]     |
[INFO] [stdout] 444 |     let mut new_multiplier: 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 `new_exponent` is never read
[INFO] [stdout]    --> src/calculus.rs:445:13
[INFO] [stdout]     |
[INFO] [stdout] 445 |     let mut new_exponent: 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 `multiplier` is never read
[INFO] [stdout]    --> src/calculus.rs:452:9
[INFO] [stdout]     |
[INFO] [stdout] 452 |         multiplier = 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 `exponent` is never read
[INFO] [stdout]    --> src/calculus.rs:453:9
[INFO] [stdout]     |
[INFO] [stdout] 453 |         exponent = 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 `multiplied_derivative` is never read
[INFO] [stdout]    --> src/calculus.rs:535:5
[INFO] [stdout]     |
[INFO] [stdout] 535 |     multiplied_derivative = Vec::new();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `multiplier` is never read
[INFO] [stdout]    --> src/calculus.rs:440:13
[INFO] [stdout]     |
[INFO] [stdout] 440 |     let mut multiplier: f64 = 0.0;
[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 `exponent` is never read
[INFO] [stdout]    --> src/calculus.rs:441:13
[INFO] [stdout]     |
[INFO] [stdout] 441 |     let mut exponent: 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 `new_multiplier` is never read
[INFO] [stdout]    --> src/calculus.rs:444:13
[INFO] [stdout]     |
[INFO] [stdout] 444 |     let mut new_multiplier: 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 `new_exponent` is never read
[INFO] [stdout]    --> src/calculus.rs:445:13
[INFO] [stdout]     |
[INFO] [stdout] 445 |     let mut new_exponent: 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 `multiplier` is never read
[INFO] [stdout]    --> src/calculus.rs:452:9
[INFO] [stdout]     |
[INFO] [stdout] 452 |         multiplier = 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 `exponent` is never read
[INFO] [stdout]    --> src/calculus.rs:453:9
[INFO] [stdout]     |
[INFO] [stdout] 453 |         exponent = 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 `multiplied_derivative` is never read
[INFO] [stdout]    --> src/calculus.rs:535:5
[INFO] [stdout]     |
[INFO] [stdout] 535 |     multiplied_derivative = Vec::new();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OPERATORS_ARR`
[INFO] [stdout]  --> src/calculus.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const OPERATORS_ARR: [char; 5] = ['^', '*', '/', '+', '-'];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FUNCTIONS_ARR`
[INFO] [stdout]  --> src/calculus.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const FUNCTIONS_ARR: [&str; 16] = ["log", "ln", "sin", "cos", "tan", "csc", "sec", "cot", "arcsin", "arccos", "arctan", "arccsc", "arcsec", "arccot", "to_deg", "to_rad"];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EULER`
[INFO] [stdout]  --> src/calculus.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const EULER: f64 = std::f64::consts::E;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PI`
[INFO] [stdout]  --> src/calculus.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const PI: f64 = std::f64::consts::PI;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OPERATORS_ARR`
[INFO] [stdout]  --> src/calculus.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const OPERATORS_ARR: [char; 5] = ['^', '*', '/', '+', '-'];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FUNCTIONS_ARR`
[INFO] [stdout]  --> src/calculus.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const FUNCTIONS_ARR: [&str; 16] = ["log", "ln", "sin", "cos", "tan", "csc", "sec", "cot", "arcsin", "arccos", "arctan", "arccsc", "arcsec", "arccot", "to_deg", "to_rad"];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EULER`
[INFO] [stdout]  --> src/calculus.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const EULER: f64 = std::f64::consts::E;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PI`
[INFO] [stdout]  --> src/calculus.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const PI: f64 = std::f64::consts::PI;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.91s
[INFO] running `Command { std: "docker" "inspect" "619070cbfd93b5f78037910425304f1be66a2dcc81ce49009369638e359c692e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "619070cbfd93b5f78037910425304f1be66a2dcc81ce49009369638e359c692e", kill_on_drop: false }`
[INFO] [stdout] 619070cbfd93b5f78037910425304f1be66a2dcc81ce49009369638e359c692e