[INFO] updating cached repository toshitanian/xcat
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/toshitanian/xcat
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/toshitanian/xcat" "work/ex/clippy-test-run/sources/stable/gh/toshitanian/xcat"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/toshitanian/xcat'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/toshitanian/xcat" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/toshitanian/xcat"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/toshitanian/xcat'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ee084199a9df781883ae7059c92e54c552cd7a9
[INFO] sha for GitHub repo toshitanian/xcat: 4ee084199a9df781883ae7059c92e54c552cd7a9
[INFO] validating manifest of toshitanian/xcat 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 toshitanian/xcat 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 toshitanian/xcat
[INFO] finished frobbing toshitanian/xcat
[INFO] frobbed toml for toshitanian/xcat written to work/ex/clippy-test-run/sources/stable/gh/toshitanian/xcat/Cargo.toml
[INFO] started frobbing toshitanian/xcat
[INFO] finished frobbing toshitanian/xcat
[INFO] frobbed toml for toshitanian/xcat written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/toshitanian/xcat/Cargo.toml
[INFO] crate toshitanian/xcat 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 toshitanian/xcat 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/toshitanian/xcat:/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] 11096a74e78e9dc80d5f7952daf5876ce0c6e18739ab2d0586a5a7f15cd9c028
[INFO] running `"docker" "start" "-a" "11096a74e78e9dc80d5f7952daf5876ce0c6e18739ab2d0586a5a7f15cd9c028"`
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]     Checking podio v0.1.5
[INFO] [stderr]     Checking from-ascii v0.0.1
[INFO] [stderr]     Checking rustc-serialize v0.3.23
[INFO] [stderr]     Checking encoding_rs v0.5.0
[INFO] [stderr]     Checking msdos_time v0.1.5
[INFO] [stderr]     Checking clap v2.23.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]     Checking flate2 v0.2.17
[INFO] [stderr]     Checking zip v0.2.3
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking quick-xml v0.7.0
[INFO] [stderr]     Checking calamine v0.10.2
[INFO] [stderr]     Checking xcat v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/reader/csv.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         println!("");
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/reader/excel.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let _ = println!("");
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/reader/csv.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         println!("");
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]   --> src/reader/excel.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let _ = println!("");
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/reader/csv.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 |                 let _ = print!("{}", delimiter);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/reader/excel.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 | /             let _ = match *c {
[INFO] [stderr] 19 | |                 calamine::DataType::Empty => print!(""),
[INFO] [stderr] 20 | |                 calamine::DataType::String(ref s) => print!("{}", s),
[INFO] [stderr] 21 | |                 calamine::DataType::Float(ref f) => print!("{}", f),
[INFO] [stderr] ...  |
[INFO] [stderr] 24 | |                 calamine::DataType::Bool(ref b) => print!("{}", b),
[INFO] [stderr] 25 | |             };
[INFO] [stderr]    | |______________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/reader/csv.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 |                 let _ = print!("{}", delimiter);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/reader/excel.rs:27:17
[INFO] [stderr]    |
[INFO] [stderr] 27 |                 let _ = print!("{}", delimiter);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/reader/excel.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let _ = println!("");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/reader/excel.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 | /             let _ = match *c {
[INFO] [stderr] 19 | |                 calamine::DataType::Empty => print!(""),
[INFO] [stderr] 20 | |                 calamine::DataType::String(ref s) => print!("{}", s),
[INFO] [stderr] 21 | |                 calamine::DataType::Float(ref f) => print!("{}", f),
[INFO] [stderr] ...  |
[INFO] [stderr] 24 | |                 calamine::DataType::Bool(ref b) => print!("{}", b),
[INFO] [stderr] 25 | |             };
[INFO] [stderr]    | |______________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/reader/excel.rs:27:17
[INFO] [stderr]    |
[INFO] [stderr] 27 |                 let _ = print!("{}", delimiter);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]   --> src/reader/excel.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let _ = println!("");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.82s
[INFO] running `"docker" "inspect" "11096a74e78e9dc80d5f7952daf5876ce0c6e18739ab2d0586a5a7f15cd9c028"`
[INFO] running `"docker" "rm" "-f" "11096a74e78e9dc80d5f7952daf5876ce0c6e18739ab2d0586a5a7f15cd9c028"`
[INFO] [stdout] 11096a74e78e9dc80d5f7952daf5876ce0c6e18739ab2d0586a5a7f15cd9c028