[INFO] updating cached repository saibatizoku/juan_redis
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/saibatizoku/juan_redis
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/saibatizoku/juan_redis" "work/ex/clippy-test-run/sources/stable/gh/saibatizoku/juan_redis"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/saibatizoku/juan_redis'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/saibatizoku/juan_redis" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/saibatizoku/juan_redis"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/saibatizoku/juan_redis'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8b0cd8768fae18eb23b498a05652c6587fa4048b
[INFO] sha for GitHub repo saibatizoku/juan_redis: 8b0cd8768fae18eb23b498a05652c6587fa4048b
[INFO] validating manifest of saibatizoku/juan_redis 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 saibatizoku/juan_redis 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 saibatizoku/juan_redis
[INFO] finished frobbing saibatizoku/juan_redis
[INFO] frobbed toml for saibatizoku/juan_redis written to work/ex/clippy-test-run/sources/stable/gh/saibatizoku/juan_redis/Cargo.toml
[INFO] started frobbing saibatizoku/juan_redis
[INFO] finished frobbing saibatizoku/juan_redis
[INFO] frobbed toml for saibatizoku/juan_redis written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/saibatizoku/juan_redis/Cargo.toml
[INFO] crate saibatizoku/juan_redis has a lockfile. skipping
[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 saibatizoku/juan_redis against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/saibatizoku/juan_redis:/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] db6400d2a592128deb7bfc3d2050174fbdf02017ce7feccf8be1b78ffc6ef300
[INFO] running `"docker" "start" "-a" "db6400d2a592128deb7bfc3d2050174fbdf02017ce7feccf8be1b78ffc6ef300"`
[INFO] [stderr]     Checking redis v0.8.0
[INFO] [stderr]     Checking juan_redis v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]  --> src/main.rs:9:39
[INFO] [stderr]   |
[INFO] [stderr] 9 |     println!("Key set!: {}, {}", key, 42);
[INFO] [stderr]   |                                       ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::print_literal)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]  --> src/main.rs:9:39
[INFO] [stderr]   |
[INFO] [stderr] 9 |     println!("Key set!: {}, {}", key, 42);
[INFO] [stderr]   |                                       ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::print_literal)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_literal
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let _: () = try!(con.set(key, 42));
[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] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let _: () = try!(con.set(key, 42));
[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 3.91s
[INFO] running `"docker" "inspect" "db6400d2a592128deb7bfc3d2050174fbdf02017ce7feccf8be1b78ffc6ef300"`
[INFO] running `"docker" "rm" "-f" "db6400d2a592128deb7bfc3d2050174fbdf02017ce7feccf8be1b78ffc6ef300"`
[INFO] [stdout] db6400d2a592128deb7bfc3d2050174fbdf02017ce7feccf8be1b78ffc6ef300