[INFO] crate leaky-cow 0.1.1 is already in cache
[INFO] extracting crate leaky-cow 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/leaky-cow/0.1.1
[INFO] extracting crate leaky-cow 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/leaky-cow/0.1.1
[INFO] validating manifest of leaky-cow-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 leaky-cow-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 leaky-cow-0.1.1
[INFO] finished frobbing leaky-cow-0.1.1
[INFO] frobbed toml for leaky-cow-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/leaky-cow/0.1.1/Cargo.toml
[INFO] started frobbing leaky-cow-0.1.1
[INFO] finished frobbing leaky-cow-0.1.1
[INFO] frobbed toml for leaky-cow-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/leaky-cow/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 leaky-cow-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-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/leaky-cow/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] b2deac0527f793a8a4f13d8dc35b8180f384c92e5985ebc4eccee26b13dacf3a
[INFO] running `"docker" "start" "-a" "b2deac0527f793a8a4f13d8dc35b8180f384c92e5985ebc4eccee26b13dacf3a"`
[INFO] [stderr]     Checking leak v0.1.2
[INFO] [stderr]     Checking leaky-cow v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Borrow`
[INFO] [stderr]  --> src/lib.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::borrow::{Borrow, Cow, ToOwned};
[INFO] [stderr]   |                   ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Borrow`
[INFO] [stderr]  --> src/lib.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::borrow::{Borrow, Cow, ToOwned};
[INFO] [stderr]   |                   ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/lib.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 | /         let _ = {
[INFO] [stderr] 31 | |             let c = Cow::Borrowed("Let it go!");
[INFO] [stderr] 32 | |             c.leak();
[INFO] [stderr] 33 | |         };
[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 1.51s
[INFO] running `"docker" "inspect" "b2deac0527f793a8a4f13d8dc35b8180f384c92e5985ebc4eccee26b13dacf3a"`
[INFO] running `"docker" "rm" "-f" "b2deac0527f793a8a4f13d8dc35b8180f384c92e5985ebc4eccee26b13dacf3a"`
[INFO] [stdout] b2deac0527f793a8a4f13d8dc35b8180f384c92e5985ebc4eccee26b13dacf3a