[INFO] fetching crate ap_calc 0.1.1...
[INFO] checking ap_calc-0.1.1 against try#47af3d0de9d26c7deba4cfb203b710cc3f764e91 for pr-130443
[INFO] extracting crate ap_calc 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate ap_calc 0.1.1 on toolchain 47af3d0de9d26c7deba4cfb203b710cc3f764e91
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ap_calc 0.1.1
[INFO] finished tweaking crates.io crate ap_calc 0.1.1
[INFO] tweaked toml for crates.io crate ap_calc 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding fraction v0.12.2 (available: v0.15.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe6a04ca99c60a33de6dd7a23ce1f847912c6f31c2bb30bcd140fc645e544163
[INFO] running `Command { std: "docker" "start" "-a" "fe6a04ca99c60a33de6dd7a23ce1f847912c6f31c2bb30bcd140fc645e544163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe6a04ca99c60a33de6dd7a23ce1f847912c6f31c2bb30bcd140fc645e544163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe6a04ca99c60a33de6dd7a23ce1f847912c6f31c2bb30bcd140fc645e544163", kill_on_drop: false }`
[INFO] [stdout] fe6a04ca99c60a33de6dd7a23ce1f847912c6f31c2bb30bcd140fc645e544163
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+47af3d0de9d26c7deba4cfb203b710cc3f764e91" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17cbebdbd247b15d561d9219af23858e86297ee24febc232e3e51f169ff96a9f
[INFO] running `Command { std: "docker" "start" "-a" "17cbebdbd247b15d561d9219af23858e86297ee24febc232e3e51f169ff96a9f", kill_on_drop: false }`
[INFO] [stderr]     Checking fraction v0.12.2
[INFO] [stderr]     Checking ap_calc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Sign`
[INFO] [stdout]  --> src/lib.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use fraction::{Fraction,Sign,ToPrimitive};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::pow`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use num::pow;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sign`
[INFO] [stdout]  --> src/lib.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use fraction::{Fraction,Sign,ToPrimitive};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::pow`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use num::pow;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/derivative.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             _ => panic!("Operation not covered by ddx in match expression"),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/derivative.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             Operation::Add =>
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] 15 |                 format!("({fp})+({gp})"),
[INFO] [stdout] 16 |             Operation::Sub =>
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] 17 |                 format!("({fp})-({gp})"),
[INFO] [stdout] 18 |             Operation::Mult =>
[INFO] [stdout]    |             --------------- matches some of the same values
[INFO] [stdout] 19 |                format!("(({g})({fp}))+(({f})({gp}))"),
[INFO] [stdout] 20 |             Operation::Div =>
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 48 |             _ => panic!("Operation not covered by ddx in match expression"),
[INFO] [stdout]    |             ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/derivative.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             _ => panic!("Operation not covered by ddx in match expression"),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/derivative.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             Operation::Add =>
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] 15 |                 format!("({fp})+({gp})"),
[INFO] [stdout] 16 |             Operation::Sub =>
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] 17 |                 format!("({fp})-({gp})"),
[INFO] [stdout] 18 |             Operation::Mult =>
[INFO] [stdout]    |             --------------- matches some of the same values
[INFO] [stdout] 19 |                format!("(({g})({fp}))+(({f})({gp}))"),
[INFO] [stdout] 20 |             Operation::Div =>
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 48 |             _ => panic!("Operation not covered by ddx in match expression"),
[INFO] [stdout]    |             ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/derivative.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         _ => panic!("its in the match of the eval_deriv")
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/derivative.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         Expression::Constant(_c)  => Expression::from("0"),
[INFO] [stdout]    |         ------------------------ matches some of the same values
[INFO] [stdout] 74 |         Expression::Variable('x') => Expression::from("1"),
[INFO] [stdout]    |         ------------------------- matches some of the same values
[INFO] [stdout] 75 |         Expression::Variable(f)   => ddx(&get_expression(bank, &exp_cpy)),
[INFO] [stdout]    |         ----------------------- matches some of the same values
[INFO] [stdout] 76 |         Expression::Equa(e)       => {
[INFO] [stdout]    |         ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 84 |         _ => panic!("its in the match of the eval_deriv")
[INFO] [stdout]    |         ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/derivative.rs:75:30
[INFO] [stdout]    |
[INFO] [stdout] 75 |         Expression::Variable(f)   => ddx(&get_expression(bank, &exp_cpy)),
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/derivative.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         _ => panic!("its in the match of the eval_deriv")
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/derivative.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         Expression::Constant(_c)  => Expression::from("0"),
[INFO] [stdout]    |         ------------------------ matches some of the same values
[INFO] [stdout] 74 |         Expression::Variable('x') => Expression::from("1"),
[INFO] [stdout]    |         ------------------------- matches some of the same values
[INFO] [stdout] 75 |         Expression::Variable(f)   => ddx(&get_expression(bank, &exp_cpy)),
[INFO] [stdout]    |         ----------------------- matches some of the same values
[INFO] [stdout] 76 |         Expression::Equa(e)       => {
[INFO] [stdout]    |         ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 84 |         _ => panic!("its in the match of the eval_deriv")
[INFO] [stdout]    |         ^ collectively making this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/derivative.rs:75:30
[INFO] [stdout]    |
[INFO] [stdout] 75 |         Expression::Variable(f)   => ddx(&get_expression(bank, &exp_cpy)),
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |             let x = &string[..last_implied];
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 |             let y = &string[last_implied..];
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> src/lib.rs:260:20
[INFO] [stdout]     |
[INFO] [stdout] 260 |                Err(error) => {
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/lib.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |             let x = &string[..last_implied];
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:210:17
[INFO] [stdout]     |
[INFO] [stdout] 210 |             let y = &string[last_implied..];
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> src/lib.rs:260:20
[INFO] [stdout]     |
[INFO] [stdout] 260 |                Err(error) => {
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:304:17
[INFO] [stdout]     |
[INFO] [stdout] 304 |                 _   => panic!("No OP BUT EQUATION"),
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/lib.rs:304:17
[INFO] [stdout]     |
[INFO] [stdout] 270 |                 Operation::Add => 
[INFO] [stdout]     |                 -------------- matches some of the same values
[INFO] [stdout] 271 |                     equation.element1.evaluate(bank, x) + equation.element2.evaluate(bank, x),
[INFO] [stdout] 272 |                 Operation::Sub => 
[INFO] [stdout]     |                 -------------- matches some of the same values
[INFO] [stdout] 273 |                     equation.element1.evaluate(bank, x) - equation.element2.evaluate(bank, x),
[INFO] [stdout] 274 |                 Operation::Mult => 
[INFO] [stdout]     |                 --------------- matches some of the same values
[INFO] [stdout] 275 |                     equation.element1.evaluate(bank, x) * equation.element2.evaluate(bank, x),
[INFO] [stdout] 276 |                 Operation::Div => 
[INFO] [stdout]     |                 -------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 304 |                 _   => panic!("No OP BUT EQUATION"),
[INFO] [stdout]     |                 ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:304:17
[INFO] [stdout]     |
[INFO] [stdout] 304 |                 _   => panic!("No OP BUT EQUATION"),
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/lib.rs:304:17
[INFO] [stdout]     |
[INFO] [stdout] 270 |                 Operation::Add => 
[INFO] [stdout]     |                 -------------- matches some of the same values
[INFO] [stdout] 271 |                     equation.element1.evaluate(bank, x) + equation.element2.evaluate(bank, x),
[INFO] [stdout] 272 |                 Operation::Sub => 
[INFO] [stdout]     |                 -------------- matches some of the same values
[INFO] [stdout] 273 |                     equation.element1.evaluate(bank, x) - equation.element2.evaluate(bank, x),
[INFO] [stdout] 274 |                 Operation::Mult => 
[INFO] [stdout]     |                 --------------- matches some of the same values
[INFO] [stdout] 275 |                     equation.element1.evaluate(bank, x) * equation.element2.evaluate(bank, x),
[INFO] [stdout] 276 |                 Operation::Div => 
[INFO] [stdout]     |                 -------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 304 |                 _   => panic!("No OP BUT EQUATION"),
[INFO] [stdout]     |                 ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:385:18
[INFO] [stdout]     |
[INFO] [stdout] 385 |                  _ => panic!("No OP BUT EQUATION"),
[INFO] [stdout]     |                  ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/lib.rs:385:18
[INFO] [stdout]     |
[INFO] [stdout] 351 |                 Operation::Add => write!(f,"({})+({})",*equation.element1,*equation.element2),
[INFO] [stdout]     |                 -------------- matches some of the same values
[INFO] [stdout] 352 |                 Operation::Sub => write!(f,"({})-({})",*equation.element1,*equation.element2),
[INFO] [stdout]     |                 -------------- matches some of the same values
[INFO] [stdout] 353 |                 Operation::Mult => write!(f,"({})({})",*equation.element1,*equation.element2), //×
[INFO] [stdout]     |                 --------------- matches some of the same values
[INFO] [stdout] 354 |                 Operation::Div => write!(f,"({})/({})",*equation.element1,*equation.element2),
[INFO] [stdout]     |                 -------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 385 |                  _ => panic!("No OP BUT EQUATION"),
[INFO] [stdout]     |                  ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:385:18
[INFO] [stdout]     |
[INFO] [stdout] 385 |                  _ => panic!("No OP BUT EQUATION"),
[INFO] [stdout]     |                  ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/lib.rs:385:18
[INFO] [stdout]     |
[INFO] [stdout] 351 |                 Operation::Add => write!(f,"({})+({})",*equation.element1,*equation.element2),
[INFO] [stdout]     |                 -------------- matches some of the same values
[INFO] [stdout] 352 |                 Operation::Sub => write!(f,"({})-({})",*equation.element1,*equation.element2),
[INFO] [stdout]     |                 -------------- matches some of the same values
[INFO] [stdout] 353 |                 Operation::Mult => write!(f,"({})({})",*equation.element1,*equation.element2), //×
[INFO] [stdout]     |                 --------------- matches some of the same values
[INFO] [stdout] 354 |                 Operation::Div => write!(f,"({})/({})",*equation.element1,*equation.element2),
[INFO] [stdout]     |                 -------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 385 |                  _ => panic!("No OP BUT EQUATION"),
[INFO] [stdout]     |                  ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:454:22
[INFO] [stdout]     |
[INFO] [stdout] 454 |     let name = string.clone();
[INFO] [stdout]     |                      ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:454:22
[INFO] [stdout]     |
[INFO] [stdout] 454 |     let name = string.clone();
[INFO] [stdout]     |                      ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[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] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> tests/parsing_tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> tests/parsing_tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> tests/parsing_tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sign`
[INFO] [stdout]  --> tests/parsing_tests.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use fraction::{Fraction,Sign};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bank`
[INFO] [stdout]  --> tests/parsing_tests.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut bank = ap_calc::new_bank('f', wanted);
[INFO] [stdout]   |             ^^^^ help: if this is intentional, prefix it with an underscore: `_bank`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> tests/parsing_tests.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut bank = ap_calc::new_bank('f', wanted);
[INFO] [stdout]   |         ----^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f_of_5`
[INFO] [stdout]   --> tests/parsing_tests.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let f_of_5 = bank.get(&'f').unwrap().evaluate(&bank, Fraction::from(5)); 
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_f_of_5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/parsing_tests.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut bank = ap_calc::new_bank('f', "2(2-30)2");
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/parsing_tests.rs:61:27
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn test_exponents() { let mut bank = ap_calc::new_bank('f',"x^2");
[INFO] [stdout]    |                           ----^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> tests/parsing_tests.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let mut bank = ap_calc::new_bank('f',"x''");
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "17cbebdbd247b15d561d9219af23858e86297ee24febc232e3e51f169ff96a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17cbebdbd247b15d561d9219af23858e86297ee24febc232e3e51f169ff96a9f", kill_on_drop: false }`
[INFO] [stdout] 17cbebdbd247b15d561d9219af23858e86297ee24febc232e3e51f169ff96a9f
