[INFO] cloning repository https://github.com/osvaldoacosta/cli-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/osvaldoacosta/cli-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosvaldoacosta%2Fcli-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosvaldoacosta%2Fcli-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f4c10815e87faff4a16bfe04c75f9157c2e603d
[INFO] linting osvaldoacosta/cli-calculator against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosvaldoacosta%2Fcli-calculator" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/osvaldoacosta/cli-calculator
[INFO] finished tweaking git repo https://github.com/osvaldoacosta/cli-calculator
[INFO] tweaked toml for git repo https://github.com/osvaldoacosta/cli-calculator written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/osvaldoacosta/cli-calculator 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/osvaldoacosta/cli-calculator 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ab5feb929b7aa69d64398f313cb22ce084be3c9fe5dad2f42834bb9104c219a4
[INFO] running `Command { std: "docker" "start" "-a" "ab5feb929b7aa69d64398f313cb22ce084be3c9fe5dad2f42834bb9104c219a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab5feb929b7aa69d64398f313cb22ce084be3c9fe5dad2f42834bb9104c219a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5feb929b7aa69d64398f313cb22ce084be3c9fe5dad2f42834bb9104c219a4", kill_on_drop: false }`
[INFO] [stdout] ab5feb929b7aa69d64398f313cb22ce084be3c9fe5dad2f42834bb9104c219a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4f7073ca4beff01a58c7512f232c47cf233e70e2c13d5d728d5884a6a4d007a2
[INFO] running `Command { std: "docker" "start" "-a" "4f7073ca4beff01a58c7512f232c47cf233e70e2c13d5d728d5884a6a4d007a2", kill_on_drop: false }`
[INFO] [stderr]     Checking calculadora-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |             while !(operators.last().copied().unwrap() == '(') {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(operators.last().copied().unwrap() != '(')`
[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:58:55
[INFO] [stdout]    |
[INFO] [stdout] 58 |         if !is_in_parenthesis && numbers.len() > 1 && operators.len() > 0 {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!operators.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: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:42:19
[INFO] [stdout]    |
[INFO] [stdout] 42 |             while !(operators.last().copied().unwrap() == '(') {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(operators.last().copied().unwrap() != '(')`
[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:58:55
[INFO] [stdout]    |
[INFO] [stdout] 58 |         if !is_in_parenthesis && numbers.len() > 1 && operators.len() > 0 {
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!operators.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 0.16s
[INFO] running `Command { std: "docker" "inspect" "4f7073ca4beff01a58c7512f232c47cf233e70e2c13d5d728d5884a6a4d007a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f7073ca4beff01a58c7512f232c47cf233e70e2c13d5d728d5884a6a4d007a2", kill_on_drop: false }`
[INFO] [stdout] 4f7073ca4beff01a58c7512f232c47cf233e70e2c13d5d728d5884a6a4d007a2