[INFO] fetching crate rcomplex 0.1.2...
[INFO] checking rcomplex-0.1.2 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate rcomplex 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rcomplex 0.1.2 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rcomplex 0.1.2
[INFO] finished tweaking crates.io crate rcomplex 0.1.2
[INFO] tweaked toml for crates.io crate rcomplex 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--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-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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bf1747c53f82d943ea1cd389aeb69771c76a432a4366401a9e5175bc41918f5
[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" "0bf1747c53f82d943ea1cd389aeb69771c76a432a4366401a9e5175bc41918f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bf1747c53f82d943ea1cd389aeb69771c76a432a4366401a9e5175bc41918f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bf1747c53f82d943ea1cd389aeb69771c76a432a4366401a9e5175bc41918f5", kill_on_drop: false }`
[INFO] [stdout] 0bf1747c53f82d943ea1cd389aeb69771c76a432a4366401a9e5175bc41918f5
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 548982a7894ab91b8c3734b6c12fb6b8a25eb6104cae83a1a2e4b1bf4b812c08
[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" "548982a7894ab91b8c3734b6c12fb6b8a25eb6104cae83a1a2e4b1bf4b812c08", kill_on_drop: false }`
[INFO] [stderr]     Checking rcomplex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/complex.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         ((self.real == other.real) & (self.img == other.img))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/lib.rs:71:40
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let expected = complex::Complex::new(((c4.real).cos()*(c4.img).cosh()), (-(c4.real).sin()*(c4.img).sinh()));
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/lib.rs:71:75
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let expected = complex::Complex::new(((c4.real).cos()*(c4.img).cosh()), (-(c4.real).sin()*(c4.img).sinh()));
[INFO] [stdout]    |                                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/complex.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         ((self.real == other.real) & (self.img == other.img))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "548982a7894ab91b8c3734b6c12fb6b8a25eb6104cae83a1a2e4b1bf4b812c08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "548982a7894ab91b8c3734b6c12fb6b8a25eb6104cae83a1a2e4b1bf4b812c08", kill_on_drop: false }`
[INFO] [stdout] 548982a7894ab91b8c3734b6c12fb6b8a25eb6104cae83a1a2e4b1bf4b812c08