[INFO] fetching crate rustnomial 0.3.2... [INFO] checking rustnomial-0.3.2 against master#bbe853615821442ef11d6cd42a30a73432b38d89 for pr-154205 [INFO] extracting crate rustnomial 0.3.2 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate rustnomial 0.3.2 [INFO] finished tweaking crates.io crate rustnomial 0.3.2 [INFO] tweaked toml for crates.io crate rustnomial 0.3.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rustnomial 0.3.2 on toolchain bbe853615821442ef11d6cd42a30a73432b38d89 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 9 packages to latest compatible versions [INFO] [stderr] Adding roots v0.0.7 (available: v0.0.8) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded roots v0.0.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5cbfbc20c4d9c8763cddb499386da10cd8aeeb051f83f87c72552f39bdba5809 [INFO] running `Command { std: "docker" "start" "-a" "5cbfbc20c4d9c8763cddb499386da10cd8aeeb051f83f87c72552f39bdba5809", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5cbfbc20c4d9c8763cddb499386da10cd8aeeb051f83f87c72552f39bdba5809", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cbfbc20c4d9c8763cddb499386da10cd8aeeb051f83f87c72552f39bdba5809", kill_on_drop: false }` [INFO] [stdout] 5cbfbc20c4d9c8763cddb499386da10cd8aeeb051f83f87c72552f39bdba5809 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+bbe853615821442ef11d6cd42a30a73432b38d89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6d0800d40fd20e3e12848d2d0118369f050a3a62c09a2b9e6d5176ab5e9a0473 [INFO] running `Command { std: "docker" "start" "-a" "6d0800d40fd20e3e12848d2d0118369f050a3a62c09a2b9e6d5176ab5e9a0473", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking roots v0.0.7 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Checking rustnomial v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `derivative` [INFO] [stdout] --> src/polynomial/derivative.rs:17:17 [INFO] [stdout] | [INFO] [stdout] 17 | use crate::{derivative, Polynomial}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::integral` [INFO] [stdout] --> src/polynomial/integral.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | use crate::integral; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `polynomial` [INFO] [stdout] --> src/polynomial/polynomial.rs:956:9 [INFO] [stdout] | [INFO] [stdout] 956 | polynomial, Degree, Derivable, Evaluable, Integrable, Polynomial, SizedPolynomial, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `GenericPolynomial` is never used [INFO] [stdout] --> src/polynomial/traits.rs:56:11 [INFO] [stdout] | [INFO] [stdout] 56 | pub trait GenericPolynomial: SizedPolynomial + MutablePolynomial + Evaluable {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::BTreeMap` [INFO] [stdout] --> src/benchmarks/bench.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | use std::collections::BTreeMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `from` that must be used [INFO] [stdout] --> src/benchmarks/bench.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | SparsePolynomial::from(vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 10]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 38 | let _ = SparsePolynomial::from(vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 10]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/benchmarks/bench.rs:63:13 [INFO] [stdout] | [INFO] [stdout] 63 | Polynomial::new(vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) * 5; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 63 | let _ = Polynomial::new(vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) * 5; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/benchmarks/bench.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | SparsePolynomial::from(vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) * 5; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 70 | let _ = SparsePolynomial::from(vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 10]) * 5; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/benchmarks/bench.rs:78:13 [INFO] [stdout] | [INFO] [stdout] 78 | a.clone() / 5; [INFO] [stdout] | ^^^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 78 | let _ = a.clone() / 5; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `GenericPolynomial` is never used [INFO] [stdout] --> src/polynomial/traits.rs:56:11 [INFO] [stdout] | [INFO] [stdout] 56 | pub trait GenericPolynomial: SizedPolynomial + MutablePolynomial + Evaluable {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.41s [INFO] running `Command { std: "docker" "inspect" "6d0800d40fd20e3e12848d2d0118369f050a3a62c09a2b9e6d5176ab5e9a0473", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d0800d40fd20e3e12848d2d0118369f050a3a62c09a2b9e6d5176ab5e9a0473", kill_on_drop: false }` [INFO] [stdout] 6d0800d40fd20e3e12848d2d0118369f050a3a62c09a2b9e6d5176ab5e9a0473