[INFO] crate r2d2_pulsar 0.1.1 is already in cache
[INFO] extracting crate r2d2_pulsar 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/r2d2_pulsar/0.1.1
[INFO] extracting crate r2d2_pulsar 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/r2d2_pulsar/0.1.1
[INFO] validating manifest of r2d2_pulsar-0.1.1 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of r2d2_pulsar-0.1.1 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing r2d2_pulsar-0.1.1
[INFO] finished frobbing r2d2_pulsar-0.1.1
[INFO] frobbed toml for r2d2_pulsar-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/r2d2_pulsar/0.1.1/Cargo.toml
[INFO] started frobbing r2d2_pulsar-0.1.1
[INFO] finished frobbing r2d2_pulsar-0.1.1
[INFO] frobbed toml for r2d2_pulsar-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/r2d2_pulsar/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting r2d2_pulsar-0.1.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/r2d2_pulsar/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c5202c43565d6b95c02cc997e9e80214f6dcd5275f041e73bbf97b5b8b195f90
[INFO] running `"docker" "start" "-a" "c5202c43565d6b95c02cc997e9e80214f6dcd5275f041e73bbf97b5b8b195f90"`
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling prost v0.4.0
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.11
[INFO] [stderr]    Compiling prost-build v0.4.0
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-fs v0.1.5
[INFO] [stderr]    Compiling prost-derive v0.4.0
[INFO] [stderr]     Checking tokio v0.1.15
[INFO] [stderr]    Compiling prost-types v0.4.0
[INFO] [stderr]    Compiling pulsar v0.1.1
[INFO] [stderr]     Checking r2d2_pulsar v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/lib.rs:129:13
[INFO] [stderr]     |
[INFO] [stderr] 129 |             let _ = ack.ack();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.82s
[INFO] running `"docker" "inspect" "c5202c43565d6b95c02cc997e9e80214f6dcd5275f041e73bbf97b5b8b195f90"`
[INFO] running `"docker" "rm" "-f" "c5202c43565d6b95c02cc997e9e80214f6dcd5275f041e73bbf97b5b8b195f90"`
[INFO] [stdout] c5202c43565d6b95c02cc997e9e80214f6dcd5275f041e73bbf97b5b8b195f90