[INFO] cloning repository https://github.com/alfanick/xxcalc-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alfanick/xxcalc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falfanick%2Fxxcalc-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falfanick%2Fxxcalc-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3cc7df7dc2348a75252b37878076c291adad4ba5
[INFO] testing alfanick/xxcalc-rs against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falfanick%2Fxxcalc-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alfanick/xxcalc-rs on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alfanick/xxcalc-rs
[INFO] finished tweaking git repo https://github.com/alfanick/xxcalc-rs
[INFO] tweaked toml for git repo https://github.com/alfanick/xxcalc-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/alfanick/xxcalc-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d58739b6649a83491e397d5b80ea7c7335d04d5fa9154e5dc00611877da03da7
[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" "d58739b6649a83491e397d5b80ea7c7335d04d5fa9154e5dc00611877da03da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d58739b6649a83491e397d5b80ea7c7335d04d5fa9154e5dc00611877da03da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d58739b6649a83491e397d5b80ea7c7335d04d5fa9154e5dc00611877da03da7", kill_on_drop: false }`
[INFO] [stdout] d58739b6649a83491e397d5b80ea7c7335d04d5fa9154e5dc00611877da03da7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 755096a25a2c18dacbc02611fe758d1a344e34e45b7552eb55393e93a9b7c986
[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" "755096a25a2c18dacbc02611fe758d1a344e34e45b7552eb55393e93a9b7c986", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling smallvec v0.3.1
[INFO] [stderr]    Compiling xxcalc v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `tokenize`
[INFO] [stdout]    --> src/tokenizer.rs:265:14
[INFO] [stdout]     |
[INFO] [stdout] 265 | macro_rules! tokenize {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `tokenize_ref`
[INFO] [stdout]    --> src/tokenizer.rs:269:14
[INFO] [stdout]     |
[INFO] [stdout] 269 | macro_rules! tokenize_ref {
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/evaluator.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub type FunctionHandle = Box<Fn(Vec<Polynomial>) -> Result<Polynomial, EvaluationError>>;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<Polynomial>) -> Result<Polynomial, EvaluationError>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/polynomial.rs:416:5
[INFO] [stdout]     |
[INFO] [stdout] 416 |     self + &other;
[INFO] [stdout]     |     ^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 416 |     let _ = self + &other;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/polynomial.rs:500:5
[INFO] [stdout]     |
[INFO] [stdout] 500 |     self - &other;
[INFO] [stdout]     |     ^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 500 |     let _ = self - &other;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/polynomial.rs:596:5
[INFO] [stdout]     |
[INFO] [stdout] 596 |     self * &other;
[INFO] [stdout]     |     ^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 596 |     let _ = self * &other;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `mul` that must be used
[INFO] [stdout]    --> src/polynomial.rs:618:5
[INFO] [stdout]     |
[INFO] [stdout] 618 |     self.mul(other);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `Command { std: "docker" "inspect" "755096a25a2c18dacbc02611fe758d1a344e34e45b7552eb55393e93a9b7c986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "755096a25a2c18dacbc02611fe758d1a344e34e45b7552eb55393e93a9b7c986", kill_on_drop: false }`
[INFO] [stdout] 755096a25a2c18dacbc02611fe758d1a344e34e45b7552eb55393e93a9b7c986
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8ab4d4a6e0d8af6e163f3f693a5b39ebf0171b053974ec3e842d1f3120466cc7
[INFO] running `Command { std: "docker" "start" "-a" "8ab4d4a6e0d8af6e163f3f693a5b39ebf0171b053974ec3e842d1f3120466cc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling xxcalc v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `tokenize`
[INFO] [stdout]    --> src/tokenizer.rs:265:14
[INFO] [stdout]     |
[INFO] [stdout] 265 | macro_rules! tokenize {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `tokenize_ref`
[INFO] [stdout]    --> src/tokenizer.rs:269:14
[INFO] [stdout]     |
[INFO] [stdout] 269 | macro_rules! tokenize_ref {
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/evaluator.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub type FunctionHandle = Box<Fn(Vec<Polynomial>) -> Result<Polynomial, EvaluationError>>;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<Polynomial>) -> Result<Polynomial, EvaluationError>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/polynomial.rs:416:5
[INFO] [stdout]     |
[INFO] [stdout] 416 |     self + &other;
[INFO] [stdout]     |     ^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 416 |     let _ = self + &other;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/polynomial.rs:500:5
[INFO] [stdout]     |
[INFO] [stdout] 500 |     self - &other;
[INFO] [stdout]     |     ^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 500 |     let _ = self - &other;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/polynomial.rs:596:5
[INFO] [stdout]     |
[INFO] [stdout] 596 |     self * &other;
[INFO] [stdout]     |     ^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 596 |     let _ = self * &other;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `mul` that must be used
[INFO] [stdout]    --> src/polynomial.rs:618:5
[INFO] [stdout]     |
[INFO] [stdout] 618 |     self.mul(other);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `tokenize`
[INFO] [stdout]    --> src/tokenizer.rs:265:14
[INFO] [stdout]     |
[INFO] [stdout] 265 | macro_rules! tokenize {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/evaluator.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub type FunctionHandle = Box<Fn(Vec<Polynomial>) -> Result<Polynomial, EvaluationError>>;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<Polynomial>) -> Result<Polynomial, EvaluationError>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/polynomial.rs:416:5
[INFO] [stdout]     |
[INFO] [stdout] 416 |     self + &other;
[INFO] [stdout]     |     ^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 416 |     let _ = self + &other;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/polynomial.rs:500:5
[INFO] [stdout]     |
[INFO] [stdout] 500 |     self - &other;
[INFO] [stdout]     |     ^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 500 |     let _ = self - &other;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/polynomial.rs:596:5
[INFO] [stdout]     |
[INFO] [stdout] 596 |     self * &other;
[INFO] [stdout]     |     ^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 596 |     let _ = self * &other;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `mul` that must be used
[INFO] [stdout]    --> src/polynomial.rs:618:5
[INFO] [stdout]     |
[INFO] [stdout] 618 |     self.mul(other);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.57s
[INFO] running `Command { std: "docker" "inspect" "8ab4d4a6e0d8af6e163f3f693a5b39ebf0171b053974ec3e842d1f3120466cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab4d4a6e0d8af6e163f3f693a5b39ebf0171b053974ec3e842d1f3120466cc7", kill_on_drop: false }`
[INFO] [stdout] 8ab4d4a6e0d8af6e163f3f693a5b39ebf0171b053974ec3e842d1f3120466cc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8c6211855b5fd39405413a579491fd9c90be85b4631f26cdef33e5fded71390b
[INFO] running `Command { std: "docker" "start" "-a" "8c6211855b5fd39405413a579491fd9c90be85b4631f26cdef33e5fded71390b", kill_on_drop: false }`
[INFO] [stderr] warning: unused macro definition: `tokenize`
[INFO] [stderr]    --> src/tokenizer.rs:265:14
[INFO] [stderr]     |
[INFO] [stderr] 265 | macro_rules! tokenize {
[INFO] [stderr]     |              ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition: `tokenize_ref`
[INFO] [stderr]    --> src/tokenizer.rs:269:14
[INFO] [stderr]     |
[INFO] [stderr] 269 | macro_rules! tokenize_ref {
[INFO] [stderr]     |              ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/evaluator.rs:15:31
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub type FunctionHandle = Box<Fn(Vec<Polynomial>) -> Result<Polynomial, EvaluationError>>;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<Polynomial>) -> Result<Polynomial, EvaluationError>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/polynomial.rs:416:5
[INFO] [stderr]     |
[INFO] [stderr] 416 |     self + &other;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 416 |     let _ = self + &other;
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/polynomial.rs:500:5
[INFO] [stderr]     |
[INFO] [stderr] 500 |     self - &other;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 500 |     let _ = self - &other;
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/polynomial.rs:596:5
[INFO] [stderr]     |
[INFO] [stderr] 596 |     self * &other;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 596 |     let _ = self * &other;
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `mul` that must be used
[INFO] [stderr]    --> src/polynomial.rs:618:5
[INFO] [stderr]     |
[INFO] [stderr] 618 |     self.mul(other);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `xxcalc` (lib) generated 7 warnings
[INFO] [stderr] warning: `xxcalc` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xxcalc-757399723afcf3f7)
[INFO] [stdout] 
[INFO] [stdout] running 48 tests
[INFO] [stdout] test evaluator::tests::test_functions ... ok
[INFO] [stdout] test evaluator::tests::test_functions_no_arguments ... ok
[INFO] [stdout] test evaluator::tests::test_constants ... ok
[INFO] [stdout] test evaluator::tests::test_symbol_registration ... ok
[INFO] [stdout] test parser::tests::test_empty_expression ... ok
[INFO] [stdout] test linear_solver::tests::test_special_cases ... ok
[INFO] [stdout] test parser::tests::test_missing_brackets ... ok
[INFO] [stdout] test parser::tests::test_arguments ... ok
[INFO] [stdout] test parser::tests::test_operator_registration ... ok
[INFO] [stdout] test polynomial::tests::test_assign_div ... ok
[INFO] [stdout] test linear_solver::tests::test_position_agnostic ... ok
[INFO] [stdout] test parser::tests::test_precedence_and_associativity ... ok
[INFO] [stdout] test polynomial::tests::test_assign_add ... ok
[INFO] [stdout] test evaluator::tests::test_operators ... ok
[INFO] [stdout] test linear_solver::tests::test_general ... ok
[INFO] [stdout] test polynomial::tests::test_assign_mul ... ok
[INFO] [stdout] test parser::tests::test_unknown_tokens ... ok
[INFO] [stdout] test evaluator::tests::test_functions_multiple_arguments ... ok
[INFO] [stdout] test polynomial::tests::test_assign_sub ... ok
[INFO] [stdout] test polynomial::tests::test_equality ... ok
[INFO] [stdout] test polynomial::tests::test_initialization ... ok
[INFO] [stdout] test polynomial::tests::test_operations ... ok
[INFO] [stdout] test polynomial::tests::test_string_conversion ... ok
[INFO] [stdout] test polynomial_calculator::tests::test_constants ... ok
[INFO] [stdout] test polynomial_calculator::tests::test_functions ... ok
[INFO] [stdout] test polynomial_calculator::tests::test_general ... ok
[INFO] [stdout] test polynomial::tests::test_degree ... ok
[INFO] [stdout] test evaluator::tests::test_multiple_expression ... ok
[INFO] [stdout] test polynomial::tests::test_indexing ... ok
[INFO] [stdout] test evaluator::tests::test_polynomials ... ok
[INFO] [stdout] test linear_solver::tests::test_restrictions ... ok
[INFO] [stdout] test parser::tests::test_symbols ... ok
[INFO] [stdout] test parser::tests::test_brackets ... ok
[INFO] [stdout] test tokenizer::tests::test_implicit_multiplication ... ok
[INFO] [stdout] test tokenizer::tests::test_numbers ... ok
[INFO] [stdout] test tokenizer::tests::test_numbers_scientific ... ok
[INFO] [stdout] test polynomial_calculator::tests::test_operations ... ok
[INFO] [stdout] test tokenizer::tests::test_brackets ... ok
[INFO] [stdout] test tokenizer::tests::test_expressions ... ok
[INFO] [stdout] test tokenizer::tests::test_identifiers ... ok
[INFO] [stdout] test tokenizer::tests::test_numbers_signed ... ok
[INFO] [stdout] test polynomial::tests::test_casting ... ok
[INFO] [stdout] test polynomial::tests::test_bind ... ok
[INFO] [stdout] test tokenizer::tests::test_operators ... ok
[INFO] [stdout] test polynomial_calculator::tests::test_polynomials ... ok
[INFO] [stdout] test polynomial::tests::test_assign_div_wrong_degree - should panic ... ok
[INFO] [stdout] test polynomial::tests::test_indexing_fail - should panic ... ok
[INFO] [stdout] test polynomial::tests::test_assign_div_zero_division - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 48 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xxcalc-5bb0dfbd3ec041aa)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xxcalc
[INFO] [stdout] 
[INFO] [stdout] running 63 tests
[INFO] [stdout] test src/lib.rs - Tokens (line 157) ... ok
[INFO] [stdout] test src/lib.rs - Tokens::push (line 197) ... ok
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] test src/evaluator.rs - evaluator::Function::new (line 49) ... ok
[INFO] [stdout] test src/evaluator.rs - evaluator::Evaluator::register_function (line 330) ... ok
[INFO] [stdout] test src/evaluator.rs - evaluator::Evaluator (line 80) ... ok
[INFO] [stdout] test src/evaluator.rs - evaluator::Evaluator (line 215) ... ok
[INFO] [stdout] test src/lib.rs - Tokens::push_identifier (line 222) ... ok
[INFO] [stdout] test src/linear_solver.rs - linear_solver (line 19) ... ok
[INFO] [stdout] test src/linear_solver.rs - linear_solver::LinearSolver (line 49) ... ok
[INFO] [stdout] test src/evaluator.rs - evaluator::Evaluator::register_constant (line 361) ... ok
[INFO] [stdout] test src/linear_solver.rs - linear_solver::functions::solver (line 147) ... ok
[INFO] [stdout] test src/evaluator.rs - evaluator::Evaluator (line 151) ... ok
[INFO] [stdout] test src/evaluator.rs - evaluator::Evaluator::register_constant (line 389) ... ok
[INFO] [stdout] test src/evaluator.rs - evaluator::Evaluator::register_function (line 297) ... ok
[INFO] [stdout] test src/evaluator.rs - evaluator::Evaluator (line 180) ... ok
[INFO] [stdout] test src/parser.rs - parser::Parser (line 132) ... ok
[INFO] [stdout] test src/parser.rs - parser::Parser (line 119) ... ok
[INFO] [stdout] test src/linear_solver.rs - linear_solver::functions::solver (line 157) ... ok
[INFO] [stdout] test src/parser.rs - parser::Parser::register_operator (line 293) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::&'amutPolynomial (line 607) ... ok
[INFO] [stdout] test src/linear_solver.rs - linear_solver::functions::solver (line 176) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::&'amutPolynomial (line 709) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::&'amutPolynomial (line 374) ... ok
[INFO] [stdout] test src/linear_solver.rs - linear_solver::functions::solver (line 167) ... ok
[INFO] [stdout] test src/parser.rs - parser::Parser (line 173) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::&'amutPolynomial (line 458) ... ok
[INFO] [stdout] test src/parser.rs - parser::Parser (line 57) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::&'amutPolynomial (line 694) ... ok
[INFO] [stdout] test src/parser.rs - parser::Parser (line 158) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::&'amutPolynomial (line 722) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::&'amutPolynomial (line 544) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial (line 19) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial (line 340) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial (line 405) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial (line 291) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial (line 257) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial (line 428) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial (line 313) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial (line 489) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial (line 585) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial (line 785) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial (line 512) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial (line 630) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial (line 840) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::as_f64 (line 188) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial (line 814) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial (line 654) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::as_string (line 214) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::constant (line 95) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::linear (line 77) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::bind (line 156) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::degree (line 133) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::String (line 273) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::zero (line 113) ... ok
[INFO] [stdout] test src/polynomial.rs - polynomial::Polynomial::new (line 54) ... ok
[INFO] [stdout] test src/polynomial_calculator.rs - polynomial_calculator::functions::log10 (line 268) ... ok
[INFO] [stdout] test src/polynomial_calculator.rs - polynomial_calculator (line 51) ... ok
[INFO] [stdout] test src/polynomial_calculator.rs - polynomial_calculator::functions::bind (line 290) ... ok
[INFO] [stdout] test src/polynomial_calculator.rs - polynomial_calculator (line 36) ... ok
[INFO] [stdout] test src/tokenizer.rs - tokenizer::Tokenizer (line 18) ... ok
[INFO] [stdout] test src/polynomial_calculator.rs - polynomial_calculator::functions::log (line 248) ... ok
[INFO] [stdout] test src/polynomial_calculator.rs - polynomial_calculator::PolynomialCalculator (line 92) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 63 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 28.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8c6211855b5fd39405413a579491fd9c90be85b4631f26cdef33e5fded71390b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c6211855b5fd39405413a579491fd9c90be85b4631f26cdef33e5fded71390b", kill_on_drop: false }`
[INFO] [stdout] 8c6211855b5fd39405413a579491fd9c90be85b4631f26cdef33e5fded71390b