[INFO] updating cached repository PurpleMyst/factoid_bot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PurpleMyst/factoid_bot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PurpleMyst/factoid_bot" "work/ex/clippy-test-run/sources/stable/gh/PurpleMyst/factoid_bot"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/PurpleMyst/factoid_bot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PurpleMyst/factoid_bot" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/PurpleMyst/factoid_bot"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/PurpleMyst/factoid_bot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] edbbe15f6c186fd8b423095872e95f79d50b3d2b
[INFO] sha for GitHub repo PurpleMyst/factoid_bot: edbbe15f6c186fd8b423095872e95f79d50b3d2b
[INFO] validating manifest of PurpleMyst/factoid_bot 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 PurpleMyst/factoid_bot 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 PurpleMyst/factoid_bot
[INFO] finished frobbing PurpleMyst/factoid_bot
[INFO] frobbed toml for PurpleMyst/factoid_bot written to work/ex/clippy-test-run/sources/stable/gh/PurpleMyst/factoid_bot/Cargo.toml
[INFO] started frobbing PurpleMyst/factoid_bot
[INFO] finished frobbing PurpleMyst/factoid_bot
[INFO] frobbed toml for PurpleMyst/factoid_bot written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/PurpleMyst/factoid_bot/Cargo.toml
[INFO] crate PurpleMyst/factoid_bot 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 PurpleMyst/factoid_bot against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/PurpleMyst/factoid_bot:/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] f49338605a3c4337e476af35c8d152987c26a9587a19d6c282465747eed5507b
[INFO] running `"docker" "start" "-a" "f49338605a3c4337e476af35c8d152987c26a9587a19d6c282465747eed5507b"`
[INFO] [stderr]    Compiling cc v1.0.14
[INFO] [stderr]     Checking tokio-mockstream v1.1.0
[INFO] [stderr]     Checking env_logger v0.5.9
[INFO] [stderr]     Checking simple_redis v0.3.41
[INFO] [stderr]    Compiling openssl-sys v0.9.28
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr]     Checking backtrace v0.3.6
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking irc v0.13.5
[INFO] [stderr]     Checking factoid_bot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]   --> src/bot.rs:58:23
[INFO] [stderr]    |
[INFO] [stderr] 58 |             "join" if args.len() >= 1 => {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!args.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]   --> src/bot.rs:58:23
[INFO] [stderr]    |
[INFO] [stderr] 58 |             "join" if args.len() >= 1 => {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!args.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.71s
[INFO] running `"docker" "inspect" "f49338605a3c4337e476af35c8d152987c26a9587a19d6c282465747eed5507b"`
[INFO] running `"docker" "rm" "-f" "f49338605a3c4337e476af35c8d152987c26a9587a19d6c282465747eed5507b"`
[INFO] [stdout] f49338605a3c4337e476af35c8d152987c26a9587a19d6c282465747eed5507b