[INFO] fetching crate rcomplex 0.1.2...
[INFO] testing rcomplex-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rcomplex 0.1.2 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate rcomplex 0.1.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-89/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ac53cf912043d5032bb32302cef14df7c953ab936e948c76c0bb0c516307a95
[INFO] running `Command { std: "docker" "start" "-a" "3ac53cf912043d5032bb32302cef14df7c953ab936e948c76c0bb0c516307a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ac53cf912043d5032bb32302cef14df7c953ab936e948c76c0bb0c516307a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac53cf912043d5032bb32302cef14df7c953ab936e948c76c0bb0c516307a95", kill_on_drop: false }`
[INFO] [stdout] 3ac53cf912043d5032bb32302cef14df7c953ab936e948c76c0bb0c516307a95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1633116170474a3f3872acde6203af0bbfd1bf887da2131bb03cfc92f9656c1
[INFO] running `Command { std: "docker" "start" "-a" "f1633116170474a3f3872acde6203af0bbfd1bf887da2131bb03cfc92f9656c1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "f1633116170474a3f3872acde6203af0bbfd1bf887da2131bb03cfc92f9656c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1633116170474a3f3872acde6203af0bbfd1bf887da2131bb03cfc92f9656c1", kill_on_drop: false }`
[INFO] [stdout] f1633116170474a3f3872acde6203af0bbfd1bf887da2131bb03cfc92f9656c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98f66f23e6e62b3f99ab3a04efb53e90880d0a413c5a8f9d8edba585f20422c8
[INFO] running `Command { std: "docker" "start" "-a" "98f66f23e6e62b3f99ab3a04efb53e90880d0a413c5a8f9d8edba585f20422c8", kill_on_drop: false }`
[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] [stderr]    Compiling rcomplex v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "98f66f23e6e62b3f99ab3a04efb53e90880d0a413c5a8f9d8edba585f20422c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98f66f23e6e62b3f99ab3a04efb53e90880d0a413c5a8f9d8edba585f20422c8", kill_on_drop: false }`
[INFO] [stdout] 98f66f23e6e62b3f99ab3a04efb53e90880d0a413c5a8f9d8edba585f20422c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6f950f76ad35af00764831a6c5a1fecfe423aa7f7dc95c09edd2d0220299eb0d
[INFO] running `Command { std: "docker" "start" "-a" "6f950f76ad35af00764831a6c5a1fecfe423aa7f7dc95c09edd2d0220299eb0d", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/complex.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |         ((self.real == other.real) & (self.img == other.img))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rcomplex` (lib) generated 1 warning
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/lib.rs:71:40
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let expected = complex::Complex::new(((c4.real).cos()*(c4.img).cosh()), (-(c4.real).sin()*(c4.img).sinh()));
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/lib.rs:71:75
[INFO] [stderr]    |
[INFO] [stderr] 71 |         let expected = complex::Complex::new(((c4.real).cos()*(c4.img).cosh()), (-(c4.real).sin()*(c4.img).sinh()));
[INFO] [stderr]    |                                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: `rcomplex` (lib test) generated 3 warnings (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rcomplex-dadf7031b4b72b3a)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::comparison ... ok
[INFO] [stdout] test tests::arithmetic ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-5b7986560eb4bd2f)
[INFO] [stdout] test tests::functions ... ok
[INFO] [stdout] test tests::generation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-baa3e2c3569ad235)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests rcomplex
[INFO] [stdout] test all_operations ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stdout] 
[INFO] [stderr]    --> /opt/rustwide/workdir/src/complex.rs:109:9
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 109 |         ((self.real == other.real) & (self.img == other.img))
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "6f950f76ad35af00764831a6c5a1fecfe423aa7f7dc95c09edd2d0220299eb0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f950f76ad35af00764831a6c5a1fecfe423aa7f7dc95c09edd2d0220299eb0d", kill_on_drop: false }`
[INFO] [stdout] 6f950f76ad35af00764831a6c5a1fecfe423aa7f7dc95c09edd2d0220299eb0d