[INFO] updating cached repository kbukum/rust-redis-sample
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kbukum/rust-redis-sample
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kbukum/rust-redis-sample" "work/ex/clippy-test-run/sources/stable/gh/kbukum/rust-redis-sample"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/kbukum/rust-redis-sample'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kbukum/rust-redis-sample" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kbukum/rust-redis-sample"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kbukum/rust-redis-sample'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 09533b4bba14a3b686b3b6c5d60624a9911d9255
[INFO] sha for GitHub repo kbukum/rust-redis-sample: 09533b4bba14a3b686b3b6c5d60624a9911d9255
[INFO] validating manifest of kbukum/rust-redis-sample 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 kbukum/rust-redis-sample 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 kbukum/rust-redis-sample
[INFO] finished frobbing kbukum/rust-redis-sample
[INFO] frobbed toml for kbukum/rust-redis-sample written to work/ex/clippy-test-run/sources/stable/gh/kbukum/rust-redis-sample/Cargo.toml
[INFO] started frobbing kbukum/rust-redis-sample
[INFO] finished frobbing kbukum/rust-redis-sample
[INFO] frobbed toml for kbukum/rust-redis-sample written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kbukum/rust-redis-sample/Cargo.toml
[INFO] crate kbukum/rust-redis-sample 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 kbukum/rust-redis-sample against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/kbukum/rust-redis-sample:/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] 2200b521b6ed2ffb878b9eca5667ab4368690e63216cca2c73342fff7aa1514d
[INFO] running `"docker" "start" "-a" "2200b521b6ed2ffb878b9eca5667ab4368690e63216cca2c73342fff7aa1514d"`
[INFO] [stderr]     Checking sha1 v0.1.1
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]     Checking redis v0.5.4
[INFO] [stderr]    Compiling serde_derive v0.9.12
[INFO] [stderr]     Checking rust_redist_sample v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/cache/mod.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let _: () = try!(conn.set(key, &serialized));
[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/cache/mod.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let _: () = try!(conn.set(key, &serialized));
[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 11.49s
[INFO] running `"docker" "inspect" "2200b521b6ed2ffb878b9eca5667ab4368690e63216cca2c73342fff7aa1514d"`
[INFO] running `"docker" "rm" "-f" "2200b521b6ed2ffb878b9eca5667ab4368690e63216cca2c73342fff7aa1514d"`
[INFO] [stdout] 2200b521b6ed2ffb878b9eca5667ab4368690e63216cca2c73342fff7aa1514d