[INFO] crate socket-notify 0.1.1 is already in cache
[INFO] extracting crate socket-notify 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/socket-notify/0.1.1
[INFO] extracting crate socket-notify 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/socket-notify/0.1.1
[INFO] validating manifest of socket-notify-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 socket-notify-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 socket-notify-0.1.1
[INFO] finished frobbing socket-notify-0.1.1
[INFO] frobbed toml for socket-notify-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/socket-notify/0.1.1/Cargo.toml
[INFO] started frobbing socket-notify-0.1.1
[INFO] finished frobbing socket-notify-0.1.1
[INFO] frobbed toml for socket-notify-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/socket-notify/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 socket-notify-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-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/socket-notify/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] 339a2d05c81360d2c24e5a956c9615fd806c954017e4614392862a46da99a5bf
[INFO] running `"docker" "start" "-a" "339a2d05c81360d2c24e5a956c9615fd806c954017e4614392862a46da99a5bf"`
[INFO] [stderr]     Checking notify-rust v3.5.0
[INFO] [stderr]     Checking socket-notify v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:53:3
[INFO] [stderr]    |
[INFO] [stderr] 53 |   return Ok(());
[INFO] [stderr]    |   ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:106:3
[INFO] [stderr]     |
[INFO] [stderr] 106 |   return Ok(());
[INFO] [stderr]     |   ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:53:3
[INFO] [stderr]    |
[INFO] [stderr] 53 |   return Ok(());
[INFO] [stderr]    |   ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:106:3
[INFO] [stderr]     |
[INFO] [stderr] 106 |   return Ok(());
[INFO] [stderr]     |   ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]   --> src/main.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     Err(_) => panic!("failed to bind socket"),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]    = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: trivial regex
[INFO] [stderr]   --> src/main.rs:60:53
[INFO] [stderr]    |
[INFO] [stderr] 60 |   let match_set = RegexSet::new(&[r"PK(SIGN|AUTH)", r"result: Success", r"result: "])?;
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivial_regex)] on by default
[INFO] [stderr]    = help: consider using `str::contains`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivial_regex
[INFO] [stderr] 
[INFO] [stderr] warning: trivial regex
[INFO] [stderr]   --> src/main.rs:60:73
[INFO] [stderr]    |
[INFO] [stderr] 60 |   let match_set = RegexSet::new(&[r"PK(SIGN|AUTH)", r"result: Success", r"result: "])?;
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using `str::contains`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivial_regex
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]   --> src/main.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     Err(_) => panic!("failed to bind socket"),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]    = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: trivial regex
[INFO] [stderr]   --> src/main.rs:60:53
[INFO] [stderr]    |
[INFO] [stderr] 60 |   let match_set = RegexSet::new(&[r"PK(SIGN|AUTH)", r"result: Success", r"result: "])?;
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivial_regex)] on by default
[INFO] [stderr]    = help: consider using `str::contains`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivial_regex
[INFO] [stderr] 
[INFO] [stderr] warning: trivial regex
[INFO] [stderr]   --> src/main.rs:60:73
[INFO] [stderr]    |
[INFO] [stderr] 60 |   let match_set = RegexSet::new(&[r"PK(SIGN|AUTH)", r"result: Success", r"result: "])?;
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using `str::contains`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivial_regex
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `"docker" "inspect" "339a2d05c81360d2c24e5a956c9615fd806c954017e4614392862a46da99a5bf"`
[INFO] running `"docker" "rm" "-f" "339a2d05c81360d2c24e5a956c9615fd806c954017e4614392862a46da99a5bf"`
[INFO] [stdout] 339a2d05c81360d2c24e5a956c9615fd806c954017e4614392862a46da99a5bf