[INFO] updating cached repository radupopescu/session-traits
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/radupopescu/session-traits
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/radupopescu/session-traits" "work/ex/clippy-test-run/sources/stable/gh/radupopescu/session-traits"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/radupopescu/session-traits'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/radupopescu/session-traits" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/radupopescu/session-traits"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/radupopescu/session-traits'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 585f6cd0765382d29ee711a0820f8bfe471b64cd
[INFO] sha for GitHub repo radupopescu/session-traits: 585f6cd0765382d29ee711a0820f8bfe471b64cd
[INFO] validating manifest of radupopescu/session-traits 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 radupopescu/session-traits 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 radupopescu/session-traits
[INFO] finished frobbing radupopescu/session-traits
[INFO] frobbed toml for radupopescu/session-traits written to work/ex/clippy-test-run/sources/stable/gh/radupopescu/session-traits/Cargo.toml
[INFO] started frobbing radupopescu/session-traits
[INFO] finished frobbing radupopescu/session-traits
[INFO] frobbed toml for radupopescu/session-traits written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/radupopescu/session-traits/Cargo.toml
[INFO] crate radupopescu/session-traits 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 radupopescu/session-traits 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/radupopescu/session-traits:/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] 50b620fae22e454c72857083001049429f16d102494c0a9c45a545fb1f6654fb
[INFO] running `"docker" "start" "-a" "50b620fae22e454c72857083001049429f16d102494c0a9c45a545fb1f6654fb"`
[INFO] [stderr]     Checking session-traits v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/lib.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     rep
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/lib.rs:36:15
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let rep = rx.recv().unwrap();
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/lib.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     rep
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/lib.rs:36:15
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let rep = rx.recv().unwrap();
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "50b620fae22e454c72857083001049429f16d102494c0a9c45a545fb1f6654fb"`
[INFO] running `"docker" "rm" "-f" "50b620fae22e454c72857083001049429f16d102494c0a9c45a545fb1f6654fb"`
[INFO] [stdout] 50b620fae22e454c72857083001049429f16d102494c0a9c45a545fb1f6654fb