[INFO] updating cached repository vt6/6shell
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vt6/6shell
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vt6/6shell" "work/ex/clippy-test-run/sources/stable/gh/vt6/6shell"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/vt6/6shell'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vt6/6shell" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/vt6/6shell"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/vt6/6shell'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a8cef4437411e51d39e8391a8be3b99e2295799
[INFO] sha for GitHub repo vt6/6shell: 3a8cef4437411e51d39e8391a8be3b99e2295799
[INFO] validating manifest of vt6/6shell 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 vt6/6shell 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 vt6/6shell
[INFO] finished frobbing vt6/6shell
[INFO] frobbed toml for vt6/6shell written to work/ex/clippy-test-run/sources/stable/gh/vt6/6shell/Cargo.toml
[INFO] started frobbing vt6/6shell
[INFO] finished frobbing vt6/6shell
[INFO] frobbed toml for vt6/6shell written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/vt6/6shell/Cargo.toml
[INFO] crate vt6/6shell 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 vt6/6shell against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/vt6/6shell:/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] 40c02fa03182a0fcfaa981fc237ea69a6282ce08d20cd151287bba2905d6c628
[INFO] running `"docker" "start" "-a" "40c02fa03182a0fcfaa981fc237ea69a6282ce08d20cd151287bba2905d6c628"`
[INFO] [stderr]    Compiling procedural-masquerade v0.1.5
[INFO] [stderr]     Checking conch-parser v0.1.0
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking tokio-reactor v0.1.5
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-uds v0.2.1
[INFO] [stderr]     Checking tokio-tcp v0.1.1
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio v0.1.8
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]    Compiling rental-impl v0.4.15
[INFO] [stderr]     Checking tokio-signal v0.1.5
[INFO] [stderr]     Checking tokio-process v0.1.6
[INFO] [stderr]     Checking rental v0.4.16
[INFO] [stderr]     Checking conch-runtime v0.1.4
[INFO] [stderr]     Checking 6shell v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |         if line.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.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 zero
[INFO] [stderr]   --> src/main.rs:50:12
[INFO] [stderr]    |
[INFO] [stderr] 50 |         if line.len() == 0 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.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 1m 00s
[INFO] running `"docker" "inspect" "40c02fa03182a0fcfaa981fc237ea69a6282ce08d20cd151287bba2905d6c628"`
[INFO] running `"docker" "rm" "-f" "40c02fa03182a0fcfaa981fc237ea69a6282ce08d20cd151287bba2905d6c628"`
[INFO] [stdout] 40c02fa03182a0fcfaa981fc237ea69a6282ce08d20cd151287bba2905d6c628