[INFO] fetching crate xxcalc 0.2.1...
[INFO] checking xxcalc-0.2.1 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate xxcalc 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate xxcalc 0.2.1 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xxcalc 0.2.1
[INFO] finished tweaking crates.io crate xxcalc 0.2.1
[INFO] tweaked toml for crates.io crate xxcalc 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 583886b7470ecffa9f1ad53a0cd40893a0dbf45061da12727552081164961366
[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" "583886b7470ecffa9f1ad53a0cd40893a0dbf45061da12727552081164961366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "583886b7470ecffa9f1ad53a0cd40893a0dbf45061da12727552081164961366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "583886b7470ecffa9f1ad53a0cd40893a0dbf45061da12727552081164961366", kill_on_drop: false }`
[INFO] [stdout] 583886b7470ecffa9f1ad53a0cd40893a0dbf45061da12727552081164961366
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--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] e04c22fc4311069cd694e287fb97c8537c80da74f00e40dbdeacb1c945734d91
[INFO] running `Command { std: "docker" "start" "-a" "e04c22fc4311069cd694e287fb97c8537c80da74f00e40dbdeacb1c945734d91", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking xxcalc v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/evaluator.rs:250:24
[INFO] [stdout]     |
[INFO] [stdout] 250 |           let result = try!(self.call_function(&x.to_string(), position, &mut stack));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/evaluator.rs:261:24
[INFO] [stdout]     |
[INFO] [stdout] 261 |           let result = try!(self.call_function(&x, position, &mut stack));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/calculator.rs:52:25
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let parsed_tokens = try!(parser.process(tokens));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/calculator.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let evaluated = try!(evaluator.process(parsed_tokens));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/polynomial_calculator.rs:261:29
[INFO] [stdout]     |
[INFO] [stdout] 261 |     Ok(Polynomial::constant(try!(args[0].as_f64()).log(try!(args[1].as_f64()))))
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/polynomial_calculator.rs:261:56
[INFO] [stdout]     |
[INFO] [stdout] 261 |     Ok(Polynomial::constant(try!(args[0].as_f64()).log(try!(args[1].as_f64()))))
[INFO] [stdout]     |                                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/polynomial_calculator.rs:280:29
[INFO] [stdout]     |
[INFO] [stdout] 280 |     Ok(Polynomial::constant(try!(args[0].as_f64()).log10()))
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/polynomial_calculator.rs:302:21
[INFO] [stdout]     |
[INFO] [stdout] 302 |     Ok(args[0].bind(try!(args[1].as_f64())))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/tokenizer.rs:267:1
[INFO] [stdout]     |
[INFO] [stdout] 267 | / macro_rules! tokenize {
[INFO] [stdout] 268 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
[INFO] [stdout] 269 | | }
[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:271:1
[INFO] [stdout]     |
[INFO] [stdout] 271 | / macro_rules! tokenize_ref {
[INFO] [stdout] 272 | |   ($x:expr) => (Tokenizer::default().process($x))
[INFO] [stdout] 273 | | }
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/evaluator.rs:250:24
[INFO] [stdout]     |
[INFO] [stdout] 250 |           let result = try!(self.call_function(&x.to_string(), position, &mut stack));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/evaluator.rs:261:24
[INFO] [stdout]     |
[INFO] [stdout] 261 |           let result = try!(self.call_function(&x, position, &mut stack));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/evaluator.rs:559:31
[INFO] [stdout]     |
[INFO] [stdout] 559 |       Ok(Polynomial::constant(try!(args[0].clone().as_f64()) % try!(args[1].clone().as_f64())))
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/evaluator.rs:559:64
[INFO] [stdout]     |
[INFO] [stdout] 559 |       Ok(Polynomial::constant(try!(args[0].clone().as_f64()) % try!(args[1].clone().as_f64())))
[INFO] [stdout]     |                                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/calculator.rs:52:25
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let parsed_tokens = try!(parser.process(tokens));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/calculator.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let evaluated = try!(evaluator.process(parsed_tokens));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/polynomial_calculator.rs:261:29
[INFO] [stdout]     |
[INFO] [stdout] 261 |     Ok(Polynomial::constant(try!(args[0].as_f64()).log(try!(args[1].as_f64()))))
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/polynomial_calculator.rs:261:56
[INFO] [stdout]     |
[INFO] [stdout] 261 |     Ok(Polynomial::constant(try!(args[0].as_f64()).log(try!(args[1].as_f64()))))
[INFO] [stdout]     |                                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/polynomial_calculator.rs:280:29
[INFO] [stdout]     |
[INFO] [stdout] 280 |     Ok(Polynomial::constant(try!(args[0].as_f64()).log10()))
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/polynomial_calculator.rs:302:21
[INFO] [stdout]     |
[INFO] [stdout] 302 |     Ok(args[0].bind(try!(args[1].as_f64())))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/tokenizer.rs:267:1
[INFO] [stdout]     |
[INFO] [stdout] 267 | / macro_rules! tokenize {
[INFO] [stdout] 268 | |   ($x:expr) => (Tokenizer::default().process($x).to_owned())
[INFO] [stdout] 269 | | }
[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] 
[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: 15 warnings emitted
[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: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "e04c22fc4311069cd694e287fb97c8537c80da74f00e40dbdeacb1c945734d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e04c22fc4311069cd694e287fb97c8537c80da74f00e40dbdeacb1c945734d91", kill_on_drop: false }`
[INFO] [stdout] e04c22fc4311069cd694e287fb97c8537c80da74f00e40dbdeacb1c945734d91
