[INFO] cloning repository https://github.com/osteofelidae/rps-plus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/osteofelidae/rps-plus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosteofelidae%2Frps-plus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosteofelidae%2Frps-plus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ea4e6c67e54d96ec3b9a775ec19e3838d9a9f38
[INFO] linting osteofelidae/rps-plus against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosteofelidae%2Frps-plus" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/osteofelidae/rps-plus
[INFO] finished tweaking git repo https://github.com/osteofelidae/rps-plus
[INFO] tweaked toml for git repo https://github.com/osteofelidae/rps-plus written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/osteofelidae/rps-plus 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] crate git repo https://github.com/osteofelidae/rps-plus already has a lockfile, it will not be regenerated
[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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6ceb6fa5891c3d47ce05438c096eac36ad0be144cfee8e0cccb726a38b67b212
[INFO] running `Command { std: "docker" "start" "-a" "6ceb6fa5891c3d47ce05438c096eac36ad0be144cfee8e0cccb726a38b67b212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ceb6fa5891c3d47ce05438c096eac36ad0be144cfee8e0cccb726a38b67b212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ceb6fa5891c3d47ce05438c096eac36ad0be144cfee8e0cccb726a38b67b212", kill_on_drop: false }`
[INFO] [stdout] 6ceb6fa5891c3d47ce05438c096eac36ad0be144cfee8e0cccb726a38b67b212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f8239025d470ae64b2f68d87347fd2f5546fe28a481338cbe517c48342790066
[INFO] running `Command { std: "docker" "start" "-a" "f8239025d470ae64b2f68d87347fd2f5546fe28a481338cbe517c48342790066", kill_on_drop: false }`
[INFO] [stderr]     Checking rps-plus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: immediately dereferencing a reference
[INFO] [stdout]   --> src/main.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 *&mut result = true;
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: try: `result`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deref_addrof
[INFO] [stdout]    = note: `#[warn(clippy::deref_addrof)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let result: bool = !(invalid_signs.len() > 0);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(invalid_signs.len() <= 0)`
[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: length comparison to zero
[INFO] [stdout]   --> src/main.rs:78:30
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let result: bool = !(invalid_signs.len() > 0);
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!invalid_signs.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: immediately dereferencing a reference
[INFO] [stdout]   --> src/main.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 *&mut result = true;
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: try: `result`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#deref_addrof
[INFO] [stdout]    = note: `#[warn(clippy::deref_addrof)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let result: bool = !(invalid_signs.len() > 0);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(invalid_signs.len() <= 0)`
[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: length comparison to zero
[INFO] [stdout]   --> src/main.rs:78:30
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let result: bool = !(invalid_signs.len() > 0);
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!invalid_signs.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "f8239025d470ae64b2f68d87347fd2f5546fe28a481338cbe517c48342790066", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8239025d470ae64b2f68d87347fd2f5546fe28a481338cbe517c48342790066", kill_on_drop: false }`
[INFO] [stdout] f8239025d470ae64b2f68d87347fd2f5546fe28a481338cbe517c48342790066