[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 try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIlluminate-dev%2Fpolysolve" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Illuminate-dev/polysolve on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6044aab73c74ca00cb81b65f4ddc9bece67fd6922252f122da7d847e260e0fd7
[INFO] running `Command { std: "docker" "start" "-a" "6044aab73c74ca00cb81b65f4ddc9bece67fd6922252f122da7d847e260e0fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6044aab73c74ca00cb81b65f4ddc9bece67fd6922252f122da7d847e260e0fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6044aab73c74ca00cb81b65f4ddc9bece67fd6922252f122da7d847e260e0fd7", kill_on_drop: false }`
[INFO] [stdout] 6044aab73c74ca00cb81b65f4ddc9bece67fd6922252f122da7d847e260e0fd7
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c1e6cce48c3eb64dc9dc539b0e64066facf9c1209cd17cf2106e0aad84eb52d
[INFO] running `Command { std: "docker" "start" "-a" "1c1e6cce48c3eb64dc9dc539b0e64066facf9c1209cd17cf2106e0aad84eb52d", 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 0.63s
[INFO] running `Command { std: "docker" "inspect" "1c1e6cce48c3eb64dc9dc539b0e64066facf9c1209cd17cf2106e0aad84eb52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c1e6cce48c3eb64dc9dc539b0e64066facf9c1209cd17cf2106e0aad84eb52d", kill_on_drop: false }`
[INFO] [stdout] 1c1e6cce48c3eb64dc9dc539b0e64066facf9c1209cd17cf2106e0aad84eb52d
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c761aeac32dbe224a319c7c0d7a2ea0e6440bf84fdb387d81f810250b378e8ca
[INFO] running `Command { std: "docker" "start" "-a" "c761aeac32dbe224a319c7c0d7a2ea0e6440bf84fdb387d81f810250b378e8ca", kill_on_drop: false }`
[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]    Compiling polysolve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "c761aeac32dbe224a319c7c0d7a2ea0e6440bf84fdb387d81f810250b378e8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c761aeac32dbe224a319c7c0d7a2ea0e6440bf84fdb387d81f810250b378e8ca", kill_on_drop: false }`
[INFO] [stdout] c761aeac32dbe224a319c7c0d7a2ea0e6440bf84fdb387d81f810250b378e8ca
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e118580125292ea935934a20ba3b24313468a3b9368d7af594c0faaedc18085
[INFO] running `Command { std: "docker" "start" "-a" "1e118580125292ea935934a20ba3b24313468a3b9368d7af594c0faaedc18085", 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 0.02s
[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_multiplication ... ok
[INFO] [stdout] test types::number::tests::test_simplify ... ok
[INFO] [stdout] test types::number::tests::test_pow ... ok
[INFO] [stdout] test types::tests::evaluate ... 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::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' (34) panicked at src/types/number.rs:73:21:
[INFO] [stdout] attempt to multiply with overflow
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x617c0e6a2972 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x617c0e6a2972 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x617c0e6a2972 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x617c0e6a2972 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x617c0e6b2e2f - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x617c0e6b2e2f - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x617c0e670443 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x617c0e670443 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x617c0e67c1e2 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x617c0e680cbf - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x617c0e680b51 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x617c0e643d1e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x617c0e643d1e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x617c0e6812cf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x617c0e6812cf - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x617c0e6810f6 - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:700:13
[INFO] [stdout]   16:     0x617c0e67c319 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x617c0e664c0d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x617c0e6ba880 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x617c0e6ba3b7 - core::panicking::panic_const::panic_const_mul_overflow::hbf484b65fd1eddf0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:180:17
[INFO] [stdout]   20:     0x617c0e60dbcc - <polysolve::types::number::Number as core::ops::arith::Add>::add::ha46b7998e2208f60
[INFO] [stdout]                                at /opt/rustwide/workdir/src/types/number.rs:73:21
[INFO] [stdout]   21:     0x617c0e614a31 - polysolve::types::PolynomialFunction::_evaluate::{{closure}}::hc82461eb086a2bfc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/types/mod.rs:71:38
[INFO] [stdout]   22:     0x617c0e613850 - <core::slice::iter::Iter<T> as core::iter::traits::iterator::Iterator>::fold::ha8ecd784889b0f89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/slice/iter/macros.rs:255:27
[INFO] [stdout]   23:     0x617c0e6149ae - polysolve::types::PolynomialFunction::_evaluate::hbdf60adfc2b10c0b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/types/mod.rs:71:14
[INFO] [stdout]   24:     0x617c0e6141bb - polysolve::types::PolynomialFunction::roots::h912f86b7fabfe7d7
[INFO] [stdout]                                at /opt/rustwide/workdir/src/types/mod.rs:123:21
[INFO] [stdout]   25:     0x617c0e621ffa - polysolve::types::tests::find_roots_irrational::hb8c232aeaf097013
[INFO] [stdout]                                at /opt/rustwide/workdir/src/types/mod.rs:226:30
[INFO] [stdout]   26:     0x617c0e622317 - polysolve::types::tests::find_roots_irrational::{{closure}}::had632a7689604afd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/types/mod.rs:218:31
[INFO] [stdout]   27:     0x617c0e615176 - core::ops::function::FnOnce::call_once::h09521f69310ba9b3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x617c0e643b1b - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x617c0e643b1b - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   30:     0x617c0e657b7d - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   31:     0x617c0e657b7d - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   32:     0x617c0e657b7d - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   33:     0x617c0e657b7d - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   34:     0x617c0e657b7d - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x617c0e657b7d - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   36:     0x617c0e657b7d - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   37:     0x617c0e6310c4 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   38:     0x617c0e6310c4 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   39:     0x617c0e63491a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   40:     0x617c0e63491a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   41:     0x617c0e63491a - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   42:     0x617c0e63491a - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   43:     0x617c0e63491a - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x617c0e63491a - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   45:     0x617c0e63491a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x617c0e67771f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   47:     0x617c0e67771f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   48:     0x70a5cd8f2aa4 - <unknown>
[INFO] [stdout]   49:     0x70a5cd97fa64 - 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 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "1e118580125292ea935934a20ba3b24313468a3b9368d7af594c0faaedc18085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e118580125292ea935934a20ba3b24313468a3b9368d7af594c0faaedc18085", kill_on_drop: false }`
[INFO] [stdout] 1e118580125292ea935934a20ba3b24313468a3b9368d7af594c0faaedc18085
