[INFO] updating cached repository jbg/rust-mailer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jbg/rust-mailer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jbg/rust-mailer" "work/ex/clippy-test-run/sources/stable/gh/jbg/rust-mailer"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/jbg/rust-mailer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jbg/rust-mailer" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jbg/rust-mailer"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jbg/rust-mailer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5e35e58c080e73db8c3b8185106bbeacb546c56d
[INFO] sha for GitHub repo jbg/rust-mailer: 5e35e58c080e73db8c3b8185106bbeacb546c56d
[INFO] validating manifest of jbg/rust-mailer 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 jbg/rust-mailer 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 jbg/rust-mailer
[INFO] finished frobbing jbg/rust-mailer
[INFO] frobbed toml for jbg/rust-mailer written to work/ex/clippy-test-run/sources/stable/gh/jbg/rust-mailer/Cargo.toml
[INFO] started frobbing jbg/rust-mailer
[INFO] finished frobbing jbg/rust-mailer
[INFO] frobbed toml for jbg/rust-mailer written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jbg/rust-mailer/Cargo.toml
[INFO] crate jbg/rust-mailer 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 jbg/rust-mailer against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jbg/rust-mailer:/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 -Dclippy::into_iter_on_array" "-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] 3e8c9c098d9416821289de2a4310e210d06b3e7168ff0350ef85b5f34a19c348
[INFO] running `"docker" "start" "-a" "3e8c9c098d9416821289de2a4310e210d06b3e7168ff0350ef85b5f34a19c348"`
[INFO] [stderr]     Checking futures-cpupool v0.1.2
[INFO] [stderr]     Checking rust-mailer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:79:51
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 let parts: Vec<&str> = line.split(" ").skip(1).collect();
[INFO] [stderr]    |                                                   ^^^ help: try using a char instead: `' '`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:85:51
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 let parts: Vec<&str> = line.split(":").skip(1).collect();
[INFO] [stderr]    |                                                   ^^^ help: try using a char instead: `':'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:91:51
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 let parts: Vec<&str> = line.split(":").skip(1).collect();
[INFO] [stderr]    |                                                   ^^^ help: try using a char instead: `':'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:79:51
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 let parts: Vec<&str> = line.split(" ").skip(1).collect();
[INFO] [stderr]    |                                                   ^^^ help: try using a char instead: `' '`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:85:51
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 let parts: Vec<&str> = line.split(":").skip(1).collect();
[INFO] [stderr]    |                                                   ^^^ help: try using a char instead: `':'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:91:51
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 let parts: Vec<&str> = line.split(":").skip(1).collect();
[INFO] [stderr]    |                                                   ^^^ help: try using a char instead: `':'`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "3e8c9c098d9416821289de2a4310e210d06b3e7168ff0350ef85b5f34a19c348"`
[INFO] running `"docker" "rm" "-f" "3e8c9c098d9416821289de2a4310e210d06b3e7168ff0350ef85b5f34a19c348"`
[INFO] [stdout] 3e8c9c098d9416821289de2a4310e210d06b3e7168ff0350ef85b5f34a19c348