[INFO] cloning repository https://github.com/dsekercioglu/doodlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dsekercioglu/doodlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsekercioglu%2Fdoodlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsekercioglu%2Fdoodlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 716209877ec2e4f70bfe45443068b71dc85f4d89
[INFO] testing dsekercioglu/doodlang against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdsekercioglu%2Fdoodlang" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dsekercioglu/doodlang on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dsekercioglu/doodlang
[INFO] finished tweaking git repo https://github.com/dsekercioglu/doodlang
[INFO] tweaked toml for git repo https://github.com/dsekercioglu/doodlang written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/dsekercioglu/doodlang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24dcb5d0985a4623c8d945005135af543e123345876cd442cfa329244aba0f62
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "24dcb5d0985a4623c8d945005135af543e123345876cd442cfa329244aba0f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24dcb5d0985a4623c8d945005135af543e123345876cd442cfa329244aba0f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24dcb5d0985a4623c8d945005135af543e123345876cd442cfa329244aba0f62", kill_on_drop: false }`
[INFO] [stdout] 24dcb5d0985a4623c8d945005135af543e123345876cd442cfa329244aba0f62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13df556986f6bbc17f9f2751a4507065bfcfded93093a09c721d28137ce8e32f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "13df556986f6bbc17f9f2751a4507065bfcfded93093a09c721d28137ce8e32f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling text_io v0.1.8
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling doodlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::eq_solver::matrix::Matrix`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::eq_solver::matrix::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FunctionManager`, `Parser`, `generate_tree`
[INFO] [stdout]  --> src/main.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use doodlang::parser::{Parser, FunctionManager, Node, generate_tree};
[INFO] [stdout]   |                        ^^^^^^  ^^^^^^^^^^^^^^^        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PolyApprox`, `SecantSolver`
[INFO] [stdout]  --> src/main.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::eq_solver::approx::{PolyApprox, SecantSolver};
[INFO] [stdout]   |                                ^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::print_vec`
[INFO] [stdout]  --> src/eq_solver/approx.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::print_vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/eq_solver/function.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Index`, `Mul`, `Neg`
[INFO] [stdout]  --> src/eq_solver/matrix.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Mul, Index, Neg};
[INFO] [stdout]   |                ^^^  ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::print_vec`
[INFO] [stdout]  --> src/eq_solver/matrix.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::print_vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/doodlang/interpreter.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Index`
[INFO] [stdout]  --> src/doodlang/interpreter.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Index;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generate_tree`
[INFO] [stdout]  --> src/doodlang/interpreter.rs:3:48
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::doodlang::parser::{FunctionManager, generate_tree, smart_generate_tree};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/doodlang/parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::print_vec`
[INFO] [stdout]  --> src/doodlang/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::print_vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/doodlang/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/doodlang/parser.rs:284:17
[INFO] [stdout]     |
[INFO] [stdout] 284 |             let mut min_func_scope = function_in_scope(node_formula, "ln", min_local_scope);
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/doodlang/parser.rs:292:17
[INFO] [stdout]     |
[INFO] [stdout] 292 |             let mut min_func_scope = function_in_scope(node_formula, "sin", min_local_scope);
[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]    --> src/doodlang/parser.rs:300:17
[INFO] [stdout]     |
[INFO] [stdout] 300 |             let mut min_func_scope = function_in_scope(node_formula, "cos", min_local_scope);
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `degree`
[INFO] [stdout]  --> src/eq_solver/approx.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     degree: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/eq_solver/approx.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(degree: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `approx1d`
[INFO] [stdout]   --> src/eq_solver/approx.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn approx1d(&mut self, function_manager: &mut Box<FunctionManager>, function: &mut Box<dyn Function>, parameter: &str, range: (f6...
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `range`
[INFO] [stdout]   --> src/eq_solver/approx.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     range: [f64; 2],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `regress_range`
[INFO] [stdout]   --> src/eq_solver/approx.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     regress_range: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `attempt_num`
[INFO] [stdout]   --> src/eq_solver/approx.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     attempt_num: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `iter`
[INFO] [stdout]   --> src/eq_solver/approx.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     iter: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `margin`
[INFO] [stdout]   --> src/eq_solver/approx.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     margin: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `poly`
[INFO] [stdout]    --> src/eq_solver/approx.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     poly: PolyApprox,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `solve_for_param`
[INFO] [stdout]    --> src/eq_solver/approx.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn solve_for_param(&mut self, func: &mut Box<dyn Function>, func_manager: &mut Box<FunctionManager>, param: &str) -> f64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `quad_solver`
[INFO] [stdout]   --> src/doodlang/interpreter.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     quad_solver: QuadFind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parser`
[INFO] [stdout]  --> src/doodlang/parser.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Parser;
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_tree`
[INFO] [stdout]    --> src/doodlang/parser.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub fn generate_tree(formula: &str) -> Node<[usize; 2]> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stuff`
[INFO] [stdout]   --> src/main.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn stuff(range: usize) -> [usize; 2] {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.95s
[INFO] running `Command { std: "docker" "inspect" "13df556986f6bbc17f9f2751a4507065bfcfded93093a09c721d28137ce8e32f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13df556986f6bbc17f9f2751a4507065bfcfded93093a09c721d28137ce8e32f", kill_on_drop: false }`
[INFO] [stdout] 13df556986f6bbc17f9f2751a4507065bfcfded93093a09c721d28137ce8e32f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3feb0fa0a7d723c5df00571894968600379c51f3ed96467a60d8601a7bd300f8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3feb0fa0a7d723c5df00571894968600379c51f3ed96467a60d8601a7bd300f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling doodlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::eq_solver::matrix::Matrix`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::eq_solver::matrix::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FunctionManager`, `Parser`, `generate_tree`
[INFO] [stdout]  --> src/main.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use doodlang::parser::{Parser, FunctionManager, Node, generate_tree};
[INFO] [stdout]   |                        ^^^^^^  ^^^^^^^^^^^^^^^        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PolyApprox`, `SecantSolver`
[INFO] [stdout]  --> src/main.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::eq_solver::approx::{PolyApprox, SecantSolver};
[INFO] [stdout]   |                                ^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::print_vec`
[INFO] [stdout]  --> src/eq_solver/approx.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::print_vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/eq_solver/function.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Index`, `Mul`, `Neg`
[INFO] [stdout]  --> src/eq_solver/matrix.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Mul, Index, Neg};
[INFO] [stdout]   |                ^^^  ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::print_vec`
[INFO] [stdout]  --> src/eq_solver/matrix.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::print_vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/doodlang/interpreter.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Index`
[INFO] [stdout]  --> src/doodlang/interpreter.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Index;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `generate_tree`
[INFO] [stdout]  --> src/doodlang/interpreter.rs:3:48
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::doodlang::parser::{FunctionManager, generate_tree, smart_generate_tree};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/doodlang/parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::print_vec`
[INFO] [stdout]  --> src/doodlang/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::print_vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/doodlang/parser.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/doodlang/parser.rs:284:17
[INFO] [stdout]     |
[INFO] [stdout] 284 |             let mut min_func_scope = function_in_scope(node_formula, "ln", min_local_scope);
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/doodlang/parser.rs:292:17
[INFO] [stdout]     |
[INFO] [stdout] 292 |             let mut min_func_scope = function_in_scope(node_formula, "sin", min_local_scope);
[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]    --> src/doodlang/parser.rs:300:17
[INFO] [stdout]     |
[INFO] [stdout] 300 |             let mut min_func_scope = function_in_scope(node_formula, "cos", min_local_scope);
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `degree`
[INFO] [stdout]  --> src/eq_solver/approx.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     degree: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/eq_solver/approx.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(degree: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `approx1d`
[INFO] [stdout]   --> src/eq_solver/approx.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn approx1d(&mut self, function_manager: &mut Box<FunctionManager>, function: &mut Box<dyn Function>, parameter: &str, range: (f6...
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `range`
[INFO] [stdout]   --> src/eq_solver/approx.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     range: [f64; 2],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `regress_range`
[INFO] [stdout]   --> src/eq_solver/approx.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     regress_range: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `attempt_num`
[INFO] [stdout]   --> src/eq_solver/approx.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     attempt_num: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `iter`
[INFO] [stdout]   --> src/eq_solver/approx.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     iter: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `margin`
[INFO] [stdout]   --> src/eq_solver/approx.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     margin: f64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `poly`
[INFO] [stdout]    --> src/eq_solver/approx.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     poly: PolyApprox,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `solve_for_param`
[INFO] [stdout]    --> src/eq_solver/approx.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn solve_for_param(&mut self, func: &mut Box<dyn Function>, func_manager: &mut Box<FunctionManager>, param: &str) -> f64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `quad_solver`
[INFO] [stdout]   --> src/doodlang/interpreter.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     quad_solver: QuadFind,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parser`
[INFO] [stdout]  --> src/doodlang/parser.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Parser;
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_tree`
[INFO] [stdout]    --> src/doodlang/parser.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub fn generate_tree(formula: &str) -> Node<[usize; 2]> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stuff`
[INFO] [stdout]   --> src/main.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn stuff(range: usize) -> [usize; 2] {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "3feb0fa0a7d723c5df00571894968600379c51f3ed96467a60d8601a7bd300f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3feb0fa0a7d723c5df00571894968600379c51f3ed96467a60d8601a7bd300f8", kill_on_drop: false }`
[INFO] [stdout] 3feb0fa0a7d723c5df00571894968600379c51f3ed96467a60d8601a7bd300f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9f2a7837e1e511c050178a1f35c624806059d48ffe05e74d96334b088038170
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f9f2a7837e1e511c050178a1f35c624806059d48ffe05e74d96334b088038170", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::eq_solver::matrix::Matrix`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::eq_solver::matrix::Matrix;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `FunctionManager`, `Parser`, `generate_tree`
[INFO] [stderr]  --> src/main.rs:3:24
[INFO] [stderr]   |
[INFO] [stderr] 3 | use doodlang::parser::{Parser, FunctionManager, Node, generate_tree};
[INFO] [stderr]   |                        ^^^^^^  ^^^^^^^^^^^^^^^        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PolyApprox`, `SecantSolver`
[INFO] [stderr]  --> src/main.rs:4:32
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::eq_solver::approx::{PolyApprox, SecantSolver};
[INFO] [stderr]   |                                ^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::print_vec`
[INFO] [stderr]  --> src/eq_solver/approx.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::print_vec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/eq_solver/function.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Index`, `Mul`, `Neg`
[INFO] [stderr]  --> src/eq_solver/matrix.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::{Mul, Index, Neg};
[INFO] [stderr]   |                ^^^  ^^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::print_vec`
[INFO] [stderr]  --> src/eq_solver/matrix.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::print_vec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/doodlang/interpreter.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Index`
[INFO] [stderr]  --> src/doodlang/interpreter.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ops::Index;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `generate_tree`
[INFO] [stderr]  --> src/doodlang/interpreter.rs:3:48
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::doodlang::parser::{FunctionManager, generate_tree, smart_generate_tree};
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]  --> src/doodlang/parser.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::Deref;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::print_vec`
[INFO] [stderr]  --> src/doodlang/parser.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::print_vec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/doodlang/parser.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/doodlang/parser.rs:284:17
[INFO] [stderr]     |
[INFO] [stderr] 284 |             let mut min_func_scope = function_in_scope(node_formula, "ln", min_local_scope);
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/doodlang/parser.rs:292:17
[INFO] [stderr]     |
[INFO] [stderr] 292 |             let mut min_func_scope = function_in_scope(node_formula, "sin", min_local_scope);
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/doodlang/parser.rs:300:17
[INFO] [stderr]     |
[INFO] [stderr] 300 |             let mut min_func_scope = function_in_scope(node_formula, "cos", min_local_scope);
[INFO] [stderr]     |                 ----^^^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `degree`
[INFO] [stderr]  --> src/eq_solver/approx.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     degree: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/eq_solver/approx.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(degree: usize) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `approx1d`
[INFO] [stderr]   --> src/eq_solver/approx.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn approx1d(&mut self, function_manager: &mut Box<FunctionManager>, function: &mut Box<dyn Function>, parameter: &str, range: (f6...
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `range`
[INFO] [stderr]   --> src/eq_solver/approx.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     range: [f64; 2],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `regress_range`
[INFO] [stderr]   --> src/eq_solver/approx.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     regress_range: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `attempt_num`
[INFO] [stderr]   --> src/eq_solver/approx.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     attempt_num: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `iter`
[INFO] [stderr]   --> src/eq_solver/approx.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     iter: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `margin`
[INFO] [stderr]   --> src/eq_solver/approx.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     margin: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `poly`
[INFO] [stderr]    --> src/eq_solver/approx.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     poly: PolyApprox,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `solve_for_param`
[INFO] [stderr]    --> src/eq_solver/approx.rs:117:12
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn solve_for_param(&mut self, func: &mut Box<dyn Function>, func_manager: &mut Box<FunctionManager>, param: &str) -> f64 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `quad_solver`
[INFO] [stderr]   --> src/doodlang/interpreter.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     quad_solver: QuadFind,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parser`
[INFO] [stderr]  --> src/doodlang/parser.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Parser;
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `generate_tree`
[INFO] [stderr]    --> src/doodlang/parser.rs:212:8
[INFO] [stderr]     |
[INFO] [stderr] 212 | pub fn generate_tree(formula: &str) -> Node<[usize; 2]> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `stuff`
[INFO] [stderr]   --> src/main.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn stuff(range: usize) -> [usize; 2] {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 30 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/doodlang-278daac285862b57
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9f2a7837e1e511c050178a1f35c624806059d48ffe05e74d96334b088038170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9f2a7837e1e511c050178a1f35c624806059d48ffe05e74d96334b088038170", kill_on_drop: false }`
[INFO] [stdout] f9f2a7837e1e511c050178a1f35c624806059d48ffe05e74d96334b088038170
