[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#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falfanick%2Fxxcalc-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alfanick/xxcalc-rs on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-8/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded smallvec v0.3.1 [INFO] [stderr] Downloaded rustyline v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 86c81137420972d9ed504c6f116238a07067a7016242a563b43e49e3095251eb [INFO] running `Command { std: "docker" "start" "-a" "86c81137420972d9ed504c6f116238a07067a7016242a563b43e49e3095251eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "86c81137420972d9ed504c6f116238a07067a7016242a563b43e49e3095251eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86c81137420972d9ed504c6f116238a07067a7016242a563b43e49e3095251eb", kill_on_drop: false }` [INFO] [stdout] 86c81137420972d9ed504c6f116238a07067a7016242a563b43e49e3095251eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42984de2f21c7746902bc8792d6aca0885800f153738f3e4bdefa3568ad8fc18 [INFO] running `Command { std: "docker" "start" "-a" "42984de2f21c7746902bc8792d6aca0885800f153738f3e4bdefa3568ad8fc18", kill_on_drop: false }` [INFO] [stderr] Compiling smallvec v0.3.1 [INFO] [stderr] Compiling xxcalc v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused macro definition [INFO] [stdout] --> src/tokenizer.rs:265:1 [INFO] [stdout] | [INFO] [stdout] 265 | / macro_rules! tokenize { [INFO] [stdout] 266 | | ($x:expr) => (Tokenizer::default().process($x).to_owned()) [INFO] [stdout] 267 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition [INFO] [stdout] --> src/tokenizer.rs:269:1 [INFO] [stdout] | [INFO] [stdout] 269 | / macro_rules! tokenize_ref { [INFO] [stdout] 270 | | ($x:expr) => (Tokenizer::default().process($x)) [INFO] [stdout] 271 | | } [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) -> Result>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec) -> Result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [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] | ^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^ [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 2.23s [INFO] running `Command { std: "docker" "inspect" "42984de2f21c7746902bc8792d6aca0885800f153738f3e4bdefa3568ad8fc18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42984de2f21c7746902bc8792d6aca0885800f153738f3e4bdefa3568ad8fc18", kill_on_drop: false }` [INFO] [stdout] 42984de2f21c7746902bc8792d6aca0885800f153738f3e4bdefa3568ad8fc18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d481bf2aac417c7489641a1e1699ecfc7bca128dd5b215b67637b9d9956bf4e9 [INFO] running `Command { std: "docker" "start" "-a" "d481bf2aac417c7489641a1e1699ecfc7bca128dd5b215b67637b9d9956bf4e9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: unused macro definition [INFO] [stdout] --> src/tokenizer.rs:265:1 [INFO] [stdout] | [INFO] [stdout] 265 | / macro_rules! tokenize { [INFO] [stdout] 266 | | ($x:expr) => (Tokenizer::default().process($x).to_owned()) [INFO] [stdout] 267 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused macro definition [INFO] [stdout] --> src/tokenizer.rs:269:1 [INFO] [stdout] | [INFO] [stdout] 269 | / macro_rules! tokenize_ref { [INFO] [stdout] 270 | | ($x:expr) => (Tokenizer::default().process($x)) [INFO] [stdout] 271 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling xxcalc v0.2.1 (/opt/rustwide/workdir) [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) -> Result>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec) -> Result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [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] | ^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^ [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 [INFO] [stdout] --> src/tokenizer.rs:265:1 [INFO] [stdout] | [INFO] [stdout] 265 | / macro_rules! tokenize { [INFO] [stdout] 266 | | ($x:expr) => (Tokenizer::default().process($x).to_owned()) [INFO] [stdout] 267 | | } [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) -> Result>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec) -> Result` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [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] | ^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^ [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 3.19s [INFO] running `Command { std: "docker" "inspect" "d481bf2aac417c7489641a1e1699ecfc7bca128dd5b215b67637b9d9956bf4e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d481bf2aac417c7489641a1e1699ecfc7bca128dd5b215b67637b9d9956bf4e9", kill_on_drop: false }` [INFO] [stdout] d481bf2aac417c7489641a1e1699ecfc7bca128dd5b215b67637b9d9956bf4e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 485a1e2228cb0bb3bd86a3be1876e911e511acb01ccba621ef1dab9bc9d51576 [INFO] running `Command { std: "docker" "start" "-a" "485a1e2228cb0bb3bd86a3be1876e911e511acb01ccba621ef1dab9bc9d51576", kill_on_drop: false }` [INFO] [stderr] warning: unused macro definition [INFO] [stdout] [INFO] [stderr] --> src/tokenizer.rs:265:1 [INFO] [stdout] running 48 tests [INFO] [stderr] | [INFO] [stderr] 265 | / macro_rules! tokenize { [INFO] [stderr] 266 | | ($x:expr) => (Tokenizer::default().process($x).to_owned()) [INFO] [stderr] 267 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/tokenizer.rs:269:1 [INFO] [stderr] | [INFO] [stderr] 269 | / macro_rules! tokenize_ref { [INFO] [stderr] 270 | | ($x:expr) => (Tokenizer::default().process($x)) [INFO] [stderr] 271 | | } [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) -> Result>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec) -> Result` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [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] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [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] | ^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^ [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: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/tokenizer.rs:265:1 [INFO] [stderr] | [INFO] [stderr] 265 | / macro_rules! tokenize { [INFO] [stderr] 266 | | ($x:expr) => (Tokenizer::default().process($x).to_owned()) [INFO] [stderr] 267 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [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) -> Result>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec) -> Result` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stderr] = note: for more information, see issue #80165 [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] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [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] | ^^^^^^^^^^^^^ [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] | ^^^^^^^^^^^^^ [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: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/xxcalc-8810c537de48679e) [INFO] [stdout] test evaluator::tests::test_constants ... ok [INFO] [stdout] test evaluator::tests::test_multiple_expression ... ok [INFO] [stdout] test evaluator::tests::test_symbol_registration ... ok [INFO] [stdout] test evaluator::tests::test_functions_multiple_arguments ... ok [INFO] [stdout] test evaluator::tests::test_functions ... ok [INFO] [stdout] test evaluator::tests::test_functions_no_arguments ... ok [INFO] [stdout] test parser::tests::test_missing_brackets ... ok [INFO] [stdout] test parser::tests::test_operator_registration ... ok [INFO] [stdout] test linear_solver::tests::test_restrictions ... ok [INFO] [stdout] test linear_solver::tests::test_general ... ok [INFO] [stdout] test parser::tests::test_symbols ... ok [INFO] [stdout] test linear_solver::tests::test_special_cases ... ok [INFO] [stdout] test parser::tests::test_unknown_tokens ... ok [INFO] [stdout] test polynomial::tests::test_assign_div ... ok [INFO] [stdout] test parser::tests::test_precedence_and_associativity ... ok [INFO] [stdout] test parser::tests::test_empty_expression ... ok [INFO] [stdout] test linear_solver::tests::test_position_agnostic ... ok [INFO] [stdout] test evaluator::tests::test_polynomials ... ok [INFO] [stdout] test evaluator::tests::test_operators ... ok [INFO] [stdout] test tokenizer::tests::test_numbers_signed ... ok [INFO] [stdout] test tokenizer::tests::test_operators ... ok [INFO] [stdout] test polynomial::tests::test_assign_add ... ok [INFO] [stdout] test polynomial::tests::test_operations ... ok [INFO] [stdout] test polynomial::tests::test_assign_mul ... ok [INFO] [stdout] test polynomial::tests::test_string_conversion ... ok [INFO] [stdout] test polynomial::tests::test_initialization ... ok [INFO] [stdout] test polynomial::tests::test_casting ... ok [INFO] [stdout] test polynomial::tests::test_indexing ... ok [INFO] [stdout] test parser::tests::test_arguments ... ok [INFO] [stdout] test polynomial::tests::test_assign_sub ... ok [INFO] [stdout] test tokenizer::tests::test_expressions ... ok [INFO] [stdout] test polynomial_calculator::tests::test_constants ... ok [INFO] [stdout] test polynomial_calculator::tests::test_operations ... ok [INFO] [stdout] test parser::tests::test_brackets ... ok [INFO] [stdout] test tokenizer::tests::test_numbers_scientific ... ok [INFO] [stdout] test polynomial::tests::test_degree ... ok [INFO] [stdout] test polynomial_calculator::tests::test_functions ... ok [INFO] [stdout] test polynomial::tests::test_equality ... ok [INFO] [stdout] test polynomial_calculator::tests::test_polynomials ... ok [INFO] [stdout] test tokenizer::tests::test_implicit_multiplication ... ok [INFO] [stdout] test polynomial_calculator::tests::test_general ... ok [INFO] [stdout] test tokenizer::tests::test_identifiers ... ok [INFO] [stdout] test tokenizer::tests::test_brackets ... ok [INFO] [stdout] test tokenizer::tests::test_numbers ... ok [INFO] [stdout] test polynomial::tests::test_bind ... ok [INFO] [stdout] test polynomial::tests::test_assign_div_zero_division ... ok [INFO] [stdout] test polynomial::tests::test_indexing_fail ... ok [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/xxcalc-43fac0b85819df42) [INFO] [stdout] test polynomial::tests::test_assign_div_wrong_degree ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 48 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Doc-tests xxcalc [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] [stdout] [INFO] [stdout] running 63 tests [INFO] [stdout] test src/evaluator.rs - evaluator::Evaluator::register_constant (line 361) ... ok [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type lib --crate-name xxcalc --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-b5a843b8128b681e.rlib --extern xxcalc=/opt/rustwide/target/debug/deps/libxxcalc-505773cb203d354c.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "485a1e2228cb0bb3bd86a3be1876e911e511acb01ccba621ef1dab9bc9d51576", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "485a1e2228cb0bb3bd86a3be1876e911e511acb01ccba621ef1dab9bc9d51576", kill_on_drop: false }` [INFO] [stdout] 485a1e2228cb0bb3bd86a3be1876e911e511acb01ccba621ef1dab9bc9d51576