[INFO] fetching crate is_main_thread 0.1.0...
[INFO] linting is_main_thread-0.1.0 against nightly for clippy-nonminimal_bool-denied
[INFO] extracting crate is_main_thread 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate is_main_thread 0.1.0
[INFO] finished tweaking crates.io crate is_main_thread 0.1.0
[INFO] tweaked toml for crates.io crate is_main_thread 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate is_main_thread 0.1.0 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 6 packages to latest compatible versions
[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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 18706cb3eac3e8cc0df259694142265909b7fb9c51bc858f9badcaee152597e4
[INFO] running `Command { std: "docker" "start" "-a" "18706cb3eac3e8cc0df259694142265909b7fb9c51bc858f9badcaee152597e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18706cb3eac3e8cc0df259694142265909b7fb9c51bc858f9badcaee152597e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18706cb3eac3e8cc0df259694142265909b7fb9c51bc858f9badcaee152597e4", kill_on_drop: false }`
[INFO] [stdout] 18706cb3eac3e8cc0df259694142265909b7fb9c51bc858f9badcaee152597e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c45c0e36680e353a8c64dfcc8f278dbda9350bbb2295b01127aebd823628c6b4
[INFO] running `Command { std: "docker" "start" "-a" "c45c0e36680e353a8c64dfcc8f278dbda9350bbb2295b01127aebd823628c6b4", kill_on_drop: false }`
[INFO] [stderr]     Checking is_main_thread v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> src/lib.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         assert_eq!(true, is_main.is_none() || is_main.unwrap());
[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] 36 -         assert_eq!(true, is_main.is_none() || is_main.unwrap());
[INFO] [stdout] 36 +         assert!(is_main.is_none() || is_main.unwrap());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/lib.rs:43:27
[INFO] [stdout]    |
[INFO] [stdout] 43 |         assert_eq!(false, !is_main.is_none() && is_main.unwrap());
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^ help: try: `is_main.is_some()`
[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: redundant closure
[INFO] [stdout]   --> src/lib.rs:41:42
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let is_main = std::thread::spawn(|| is_main_thread()).join().unwrap();
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^ help: replace the closure with the function itself: `is_main_thread`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout]    = note: `#[warn(clippy::redundant_closure)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]   --> src/lib.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         assert_eq!(false, !is_main.is_none() && is_main.unwrap());
[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] 43 -         assert_eq!(false, !is_main.is_none() && is_main.unwrap());
[INFO] [stdout] 43 +         assert!(!(!is_main.is_none() && is_main.unwrap()));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "c45c0e36680e353a8c64dfcc8f278dbda9350bbb2295b01127aebd823628c6b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45c0e36680e353a8c64dfcc8f278dbda9350bbb2295b01127aebd823628c6b4", kill_on_drop: false }`
[INFO] [stdout] c45c0e36680e353a8c64dfcc8f278dbda9350bbb2295b01127aebd823628c6b4