[INFO] fetching crate port-selector 0.1.6...
[INFO] linting port-selector-0.1.6 against nightly for clippy-nonminimal_bool-denied
[INFO] extracting crate port-selector 0.1.6 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate port-selector 0.1.6
[INFO] finished tweaking crates.io crate port-selector 0.1.6
[INFO] tweaked toml for crates.io crate port-selector 0.1.6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate port-selector 0.1.6 on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "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" "+nightly" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbc18cfba8ea88f6c79d9f47d76f34b2b0494b1ed5c3f7aa9a599c682954bb3d
[INFO] running `Command { std: "docker" "start" "-a" "dbc18cfba8ea88f6c79d9f47d76f34b2b0494b1ed5c3f7aa9a599c682954bb3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbc18cfba8ea88f6c79d9f47d76f34b2b0494b1ed5c3f7aa9a599c682954bb3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbc18cfba8ea88f6c79d9f47d76f34b2b0494b1ed5c3f7aa9a599c682954bb3d", kill_on_drop: false }`
[INFO] [stdout] dbc18cfba8ea88f6c79d9f47d76f34b2b0494b1ed5c3f7aa9a599c682954bb3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab67a12c0a590feb29298e3b2d66f11603800b8fe67803d839e4b4c04f0329d3
[INFO] running `Command { std: "docker" "start" "-a" "ab67a12c0a590feb29298e3b2d66f11603800b8fe67803d839e4b4c04f0329d3", kill_on_drop: false }`
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking port-selector v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/take_up.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         assert_eq!(is_free_tcp(used_tcp_port), false);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout]     = note: `#[warn(clippy::bool_assert_comparison)]` on by default
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 117 -         assert_eq!(is_free_tcp(used_tcp_port), false);
[INFO] [stdout] 117 +         assert!(!is_free_tcp(used_tcp_port));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/take_up.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         assert_eq!(is_free(free_port.unwrap()), false);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 142 -         assert_eq!(is_free(free_port.unwrap()), false);
[INFO] [stdout] 142 +         assert!(!is_free(free_port.unwrap()));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/lib.rs:187:17
[INFO] [stdout]     |
[INFO] [stdout] 187 |         assert!(!port.is_some());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: try: `port.is_none()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: needlessly taken reference of both operands
[INFO] [stdout]    --> src/lib.rs:196:21
[INFO] [stdout]     |
[INFO] [stdout] 196 |             assert!(&port.unwrap() >= &50000 && &port.unwrap() <= &60000);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stdout]     = note: `#[warn(clippy::op_ref)]` on by default
[INFO] [stdout] help: use the values directly
[INFO] [stdout]     |
[INFO] [stdout] 196 -             assert!(&port.unwrap() >= &50000 && &port.unwrap() <= &60000);
[INFO] [stdout] 196 +             assert!(port.unwrap() >= 50000 && &port.unwrap() <= &60000);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: needlessly taken reference of both operands
[INFO] [stdout]    --> src/lib.rs:196:49
[INFO] [stdout]     |
[INFO] [stdout] 196 |             assert!(&port.unwrap() >= &50000 && &port.unwrap() <= &60000);
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stdout] help: use the values directly
[INFO] [stdout]     |
[INFO] [stdout] 196 -             assert!(&port.unwrap() >= &50000 && &port.unwrap() <= &60000);
[INFO] [stdout] 196 +             assert!(&port.unwrap() >= &50000 && port.unwrap() <= 60000);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "ab67a12c0a590feb29298e3b2d66f11603800b8fe67803d839e4b4c04f0329d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab67a12c0a590feb29298e3b2d66f11603800b8fe67803d839e4b4c04f0329d3", kill_on_drop: false }`
[INFO] [stdout] ab67a12c0a590feb29298e3b2d66f11603800b8fe67803d839e4b4c04f0329d3