[INFO] cloning repository https://github.com/Illuminate-dev/polysolve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Illuminate-dev/polysolve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIlluminate-dev%2Fpolysolve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIlluminate-dev%2Fpolysolve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2b172448f19cd1409498eef98e577fcf91d75f0
[INFO] testing Illuminate-dev/polysolve against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIlluminate-dev%2Fpolysolve" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Illuminate-dev/polysolve
[INFO] finished tweaking git repo https://github.com/Illuminate-dev/polysolve
[INFO] tweaked toml for git repo https://github.com/Illuminate-dev/polysolve written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Illuminate-dev/polysolve on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Illuminate-dev/polysolve 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3780e96eacd5f32edaa797db96b2dd5e10bb4f4983776e58e5cbcf251314a573
[INFO] running `Command { std: "docker" "start" "-a" "3780e96eacd5f32edaa797db96b2dd5e10bb4f4983776e58e5cbcf251314a573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3780e96eacd5f32edaa797db96b2dd5e10bb4f4983776e58e5cbcf251314a573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3780e96eacd5f32edaa797db96b2dd5e10bb4f4983776e58e5cbcf251314a573", kill_on_drop: false }`
[INFO] [stdout] 3780e96eacd5f32edaa797db96b2dd5e10bb4f4983776e58e5cbcf251314a573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d44f9562b8c97482b9e88aac549393bc221feb21f62b56b79cf56e430eb4867b
[INFO] running `Command { std: "docker" "start" "-a" "d44f9562b8c97482b9e88aac549393bc221feb21f62b56b79cf56e430eb4867b", kill_on_drop: false }`
[INFO] [stderr]    Compiling polysolve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Term` is never constructed
[INFO] [stdout]  --> src/types/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Term {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `evaluate` are never used
[INFO] [stdout]   --> src/types/mod.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Term {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 14 |     fn new(coefficient: Number, degree: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn evaluate(&self, x: Number) -> Number {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PolynomialFunction` is never constructed
[INFO] [stdout]   --> src/types/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct PolynomialFunction {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `simplify`, `evaluate`, and `roots` are never used
[INFO] [stdout]   --> src/types/mod.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl PolynomialFunction {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 33 |     fn new(terms: Vec<Term>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn simplify(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn evaluate(&self, x: f64) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     fn roots(&self) -> Vec<Number> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd` is never used
[INFO] [stdout]  --> src/types/number.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn gcd(a: u32, b: u32) -> u32 {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Number` is never constructed
[INFO] [stdout]   --> src/types/number.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Number {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `simplify`, `not_zero`, `factors`, `is_integer`, and `pow` are never used
[INFO] [stdout]   --> src/types/number.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Number {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 19 |     pub fn new(numerator: u32, denominator: u32, sign: bool) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn simplify(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn not_zero(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn factors(&self) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn is_integer(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn pow(&self, degree: i32) -> Number {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "d44f9562b8c97482b9e88aac549393bc221feb21f62b56b79cf56e430eb4867b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d44f9562b8c97482b9e88aac549393bc221feb21f62b56b79cf56e430eb4867b", kill_on_drop: false }`
[INFO] [stdout] d44f9562b8c97482b9e88aac549393bc221feb21f62b56b79cf56e430eb4867b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71bceb0588a0fdecac9d23c56a44c1868d2aefee270f373568f768b3e98c8e2e
[INFO] running `Command { std: "docker" "start" "-a" "71bceb0588a0fdecac9d23c56a44c1868d2aefee270f373568f768b3e98c8e2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling polysolve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Term` is never constructed
[INFO] [stdout]  --> src/types/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Term {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `evaluate` are never used
[INFO] [stdout]   --> src/types/mod.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Term {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 14 |     fn new(coefficient: Number, degree: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn evaluate(&self, x: Number) -> Number {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PolynomialFunction` is never constructed
[INFO] [stdout]   --> src/types/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct PolynomialFunction {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `simplify`, `evaluate`, and `roots` are never used
[INFO] [stdout]   --> src/types/mod.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl PolynomialFunction {
[INFO] [stdout]    | ----------------------- associated items in this implementation
[INFO] [stdout] 33 |     fn new(terms: Vec<Term>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn simplify(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     pub fn evaluate(&self, x: f64) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     fn roots(&self) -> Vec<Number> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gcd` is never used
[INFO] [stdout]  --> src/types/number.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn gcd(a: u32, b: u32) -> u32 {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Number` is never constructed
[INFO] [stdout]   --> src/types/number.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Number {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `simplify`, `not_zero`, `factors`, `is_integer`, and `pow` are never used
[INFO] [stdout]   --> src/types/number.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Number {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 19 |     pub fn new(numerator: u32, denominator: u32, sign: bool) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn simplify(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn not_zero(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn factors(&self) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn is_integer(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn pow(&self, degree: i32) -> Number {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "71bceb0588a0fdecac9d23c56a44c1868d2aefee270f373568f768b3e98c8e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71bceb0588a0fdecac9d23c56a44c1868d2aefee270f373568f768b3e98c8e2e", kill_on_drop: false }`
[INFO] [stdout] 71bceb0588a0fdecac9d23c56a44c1868d2aefee270f373568f768b3e98c8e2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9096c1e29a442989679e877633f71da6cfe49ba80f4f4cc931df49f30346bbb
[INFO] running `Command { std: "docker" "start" "-a" "a9096c1e29a442989679e877633f71da6cfe49ba80f4f4cc931df49f30346bbb", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Term` is never constructed
[INFO] [stderr]  --> src/types/mod.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Term {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `evaluate` are never used
[INFO] [stderr]   --> src/types/mod.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl Term {
[INFO] [stderr]    | --------- associated items in this implementation
[INFO] [stderr] 14 |     fn new(coefficient: Number, degree: i32) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 21 |     fn evaluate(&self, x: Number) -> Number {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `PolynomialFunction` is never constructed
[INFO] [stderr]   --> src/types/mod.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct PolynomialFunction {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `simplify`, `evaluate`, and `roots` are never used
[INFO] [stderr]   --> src/types/mod.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 32 | impl PolynomialFunction {
[INFO] [stderr]    | ----------------------- associated items in this implementation
[INFO] [stderr] 33 |     fn new(terms: Vec<Term>) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |     fn simplify(&mut self) {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 62 |     pub fn evaluate(&self, x: f64) -> f64 {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 74 |     fn roots(&self) -> Vec<Number> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `gcd` is never used
[INFO] [stderr]  --> src/types/number.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn gcd(a: u32, b: u32) -> u32 {
[INFO] [stderr]   |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Number` is never constructed
[INFO] [stderr]   --> src/types/number.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Number {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `simplify`, `not_zero`, `factors`, `is_integer`, and `pow` are never used
[INFO] [stderr]   --> src/types/number.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl Number {
[INFO] [stderr]    | ----------- associated items in this implementation
[INFO] [stderr] 19 |     pub fn new(numerator: u32, denominator: u32, sign: bool) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 29 |     pub fn simplify(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     pub fn not_zero(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 39 |     pub fn factors(&self) -> Vec<i32> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 |     pub fn is_integer(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 51 |     pub fn pow(&self, degree: i32) -> Number {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `polysolve` (lib) generated 7 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/polysolve-a9a75a980c729fc3)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test types::number::tests::test_division ... ok
[INFO] [stdout] test types::number::tests::test_pow ... ok
[INFO] [stdout] test types::number::tests::test_simplify ... ok
[INFO] [stdout] test types::tests::find_roots ... ok
[INFO] [stdout] test types::tests::find_roots_fractional ... ok
[INFO] [stdout] test types::tests::poly_new ... ok
[INFO] [stdout] test types::tests::simplify ... ok
[INFO] [stdout] test types::tests::evaluate ... ok
[INFO] [stdout] test types::number::tests::test_multiplication ... ok
[INFO] [stdout] test types::tests::find_roots_irrational ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- types::tests::find_roots_irrational stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'types::tests::find_roots_irrational' (32) panicked at src/types/number.rs:73:21:
[INFO] [stdout] attempt to multiply with overflow
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5694bc1c6032 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5694bc1c6032 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5694bc1c6032 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5694bc1c6032 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5694bc1dad8a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5694bc1dad8a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x5694bc1cae66 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5694bc1cae66 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5694bc1a44ff - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5694bc1a44ff - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5694bc1be319 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5694bc159c1e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5694bc159c1e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5694bc1be4d2 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5694bc1be4d2 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5694bc1a45ea - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5694bc19bf89 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5694bc1a540d - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5694bc1db45c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5694bc1dc499 - core[c5ed12ab89cc536a]::panicking::panic_const::panic_const_mul_overflow
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:175:17
[INFO] [stdout]   20:     0x5694bc13f33c - <polysolve[640ea1d83fac8cf2]::types::number::Number as core[c5ed12ab89cc536a]::ops::arith::Add>::add
[INFO] [stdout]                                at /opt/rustwide/workdir/src/types/number.rs:73:21
[INFO] [stdout]   21:     0x5694bc13be51 - <polysolve[640ea1d83fac8cf2]::types::PolynomialFunction>::_evaluate::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/types/mod.rs:71:38
[INFO] [stdout]   22:     0x5694bc14b8e0 - <core[c5ed12ab89cc536a]::slice::iter::Iter<polysolve[640ea1d83fac8cf2]::types::Term> as core[c5ed12ab89cc536a]::iter::traits::iterator::Iterator>::fold::<polysolve[640ea1d83fac8cf2]::types::number::Number, <polysolve[640ea1d83fac8cf2]::types::PolynomialFunction>::_evaluate::{closure#0}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/slice/iter/macros.rs:279:27
[INFO] [stdout]   23:     0x5694bc13dbbe - <polysolve[640ea1d83fac8cf2]::types::PolynomialFunction>::_evaluate
[INFO] [stdout]                                at /opt/rustwide/workdir/src/types/mod.rs:71:14
[INFO] [stdout]   24:     0x5694bc13d65b - <polysolve[640ea1d83fac8cf2]::types::PolynomialFunction>::roots
[INFO] [stdout]                                at /opt/rustwide/workdir/src/types/mod.rs:123:21
[INFO] [stdout]   25:     0x5694bc14585c - polysolve[640ea1d83fac8cf2]::types::tests::find_roots_irrational
[INFO] [stdout]                                at /opt/rustwide/workdir/src/types/mod.rs:226:30
[INFO] [stdout]   26:     0x5694bc144b87 - polysolve[640ea1d83fac8cf2]::types::tests::find_roots_irrational::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/types/mod.rs:218:31
[INFO] [stdout]   27:     0x5694bc13a2b6 - <polysolve[640ea1d83fac8cf2]::types::tests::find_roots_irrational::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5694bc14dfcb - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5694bc14dfcb - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   30:     0x5694bc15a82a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   31:     0x5694bc15a82a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   32:     0x5694bc15a82a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   33:     0x5694bc15a82a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5694bc15a82a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5694bc15a82a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   36:     0x5694bc15a82a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   37:     0x5694bc154cf4 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   38:     0x5694bc154cf4 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5694bc15d322 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   40:     0x5694bc15d322 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   41:     0x5694bc15d322 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   42:     0x5694bc15d322 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5694bc15d322 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5694bc15d322 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   45:     0x5694bc15d322 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5694bc1c58df - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   47:     0x5694bc1c58df - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   48:     0x749d000ddaa4 - <unknown>
[INFO] [stdout]   49:     0x749d0016aa64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     types::tests::find_roots_irrational
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "a9096c1e29a442989679e877633f71da6cfe49ba80f4f4cc931df49f30346bbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9096c1e29a442989679e877633f71da6cfe49ba80f4f4cc931df49f30346bbb", kill_on_drop: false }`
[INFO] [stdout] a9096c1e29a442989679e877633f71da6cfe49ba80f4f4cc931df49f30346bbb
