[INFO] cloning repository https://github.com/fosskers/empty-collections
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fosskers/empty-collections" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffosskers%2Fempty-collections", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffosskers%2Fempty-collections'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28d9c267fa60b28c8bd9316eb66e23a25ad92bd5
[INFO] linting fosskers/empty-collections against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffosskers%2Fempty-collections" "/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/fosskers/empty-collections
[INFO] finished tweaking git repo https://github.com/fosskers/empty-collections
[INFO] tweaked toml for git repo https://github.com/fosskers/empty-collections written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fosskers/empty-collections 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/fosskers/empty-collections 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] 405241ad5564267b9bc1f91bb64dc120b13ee1d4ebaa72d566c21e6a9cb3ad16
[INFO] running `Command { std: "docker" "start" "-a" "405241ad5564267b9bc1f91bb64dc120b13ee1d4ebaa72d566c21e6a9cb3ad16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "405241ad5564267b9bc1f91bb64dc120b13ee1d4ebaa72d566c21e6a9cb3ad16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "405241ad5564267b9bc1f91bb64dc120b13ee1d4ebaa72d566c21e6a9cb3ad16", kill_on_drop: false }`
[INFO] [stdout] 405241ad5564267b9bc1f91bb64dc120b13ee1d4ebaa72d566c21e6a9cb3ad16
[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] 72fc01a295146cde25318c1a601a2319b0596ff3cb8a0eea164710b5189f82d2
[INFO] running `Command { std: "docker" "start" "-a" "72fc01a295146cde25318c1a601a2319b0596ff3cb8a0eea164710b5189f82d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling serde_json v1.0.127
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking empty-collections v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/map.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |         assert!(!(a < b));
[INFO] [stdout]     |                 ^^^^^^^^ help: try: `(a >= b)`
[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: this boolean expression can be simplified
[INFO] [stdout]    --> src/map.rs:141:17
[INFO] [stdout]     |
[INFO] [stdout] 141 |         assert!(!(a > b));
[INFO] [stdout]     |                 ^^^^^^^^ help: try: `(a <= b)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/set.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |         assert!(!(a < b));
[INFO] [stdout]     |                 ^^^^^^^^ help: try: `(a >= b)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/set.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |         assert!(!(a > b));
[INFO] [stdout]     |                 ^^^^^^^^ help: try: `(a <= b)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/vector.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |         assert!(!(a < b));
[INFO] [stdout]     |                 ^^^^^^^^ help: try: `(a >= b)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/vector.rs:123:17
[INFO] [stdout]     |
[INFO] [stdout] 123 |         assert!(!(a > b));
[INFO] [stdout]     |                 ^^^^^^^^ help: try: `(a <= b)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.35s
[INFO] running `Command { std: "docker" "inspect" "72fc01a295146cde25318c1a601a2319b0596ff3cb8a0eea164710b5189f82d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72fc01a295146cde25318c1a601a2319b0596ff3cb8a0eea164710b5189f82d2", kill_on_drop: false }`
[INFO] [stdout] 72fc01a295146cde25318c1a601a2319b0596ff3cb8a0eea164710b5189f82d2