[INFO] updating cached repository tilpner/cpuline
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tilpner/cpuline
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tilpner/cpuline" "work/ex/clippy-test-run/sources/stable/gh/tilpner/cpuline"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/tilpner/cpuline'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tilpner/cpuline" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tilpner/cpuline"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tilpner/cpuline'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4665f6d81770acef0612396917bc71c49fcdb6d9
[INFO] sha for GitHub repo tilpner/cpuline: 4665f6d81770acef0612396917bc71c49fcdb6d9
[INFO] validating manifest of tilpner/cpuline 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 tilpner/cpuline 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 tilpner/cpuline
[INFO] finished frobbing tilpner/cpuline
[INFO] frobbed toml for tilpner/cpuline written to work/ex/clippy-test-run/sources/stable/gh/tilpner/cpuline/Cargo.toml
[INFO] started frobbing tilpner/cpuline
[INFO] finished frobbing tilpner/cpuline
[INFO] frobbed toml for tilpner/cpuline written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tilpner/cpuline/Cargo.toml
[INFO] crate tilpner/cpuline 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 tilpner/cpuline 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/tilpner/cpuline:/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] 93699c455d2a09a89dcef8960eac3e3b7ed507bc65beaa11f68529a65ac22c87
[INFO] running `"docker" "start" "-a" "93699c455d2a09a89dcef8960eac3e3b7ed507bc65beaa11f68529a65ac22c87"`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking term_size v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking clap v2.20.5
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking cpuline v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/main.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 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/main.rs:177:17
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 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: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:19:19
[INFO] [stderr]    |
[INFO] [stderr] 19 | const PROC_STAT: &'static str = "/proc/stat";
[INFO] [stderr]    |                  -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:19:19
[INFO] [stderr]    |
[INFO] [stderr] 19 | const PROC_STAT: &'static str = "/proc/stat";
[INFO] [stderr]    |                  -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 | /         match (&stat, &old) {
[INFO] [stderr] 162 | |             (&Some(ref now), &Some(ref old)) => {
[INFO] [stderr] 163 | |                 let load = now.load_since(&old);
[INFO] [stderr] 164 | |                 let duration_ticks = load.duration.as_secs() * user_hz 
[INFO] [stderr] ...   |
[INFO] [stderr] 179 | |             _ => ()
[INFO] [stderr] 180 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 161 |         if let (&Some(ref now), &Some(ref old)) = (&stat, &old) {
[INFO] [stderr] 162 |     let load = now.load_since(&old);
[INFO] [stderr] 163 |     let duration_ticks = load.duration.as_secs() * user_hz 
[INFO] [stderr] 164 |         + (load.duration.subsec_nanos() as f64 / 1E9 * user_hz as f64) as u64;
[INFO] [stderr] 165 | 
[INFO] [stderr] 166 |     for (_, core) in load.cores.iter() {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:165:24
[INFO] [stderr]     |
[INFO] [stderr] 165 |                     + (load.duration.subsec_nanos() as f64 / 1E9 * user_hz as f64) as u64;
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(load.duration.subsec_nanos())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/main.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 | /         match (&stat, &old) {
[INFO] [stderr] 162 | |             (&Some(ref now), &Some(ref old)) => {
[INFO] [stderr] 163 | |                 let load = now.load_since(&old);
[INFO] [stderr] 164 | |                 let duration_ticks = load.duration.as_secs() * user_hz 
[INFO] [stderr] ...   |
[INFO] [stderr] 179 | |             _ => ()
[INFO] [stderr] 180 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 161 |         if let (&Some(ref now), &Some(ref old)) = (&stat, &old) {
[INFO] [stderr] 162 |     let load = now.load_since(&old);
[INFO] [stderr] 163 |     let duration_ticks = load.duration.as_secs() * user_hz 
[INFO] [stderr] 164 |         + (load.duration.subsec_nanos() as f64 / 1E9 * user_hz as f64) as u64;
[INFO] [stderr] 165 | 
[INFO] [stderr] 166 |     for (_, core) in load.cores.iter() {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:165:24
[INFO] [stderr]     |
[INFO] [stderr] 165 |                     + (load.duration.subsec_nanos() as f64 / 1E9 * user_hz as f64) as u64;
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(load.duration.subsec_nanos())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 16.93s
[INFO] running `"docker" "inspect" "93699c455d2a09a89dcef8960eac3e3b7ed507bc65beaa11f68529a65ac22c87"`
[INFO] running `"docker" "rm" "-f" "93699c455d2a09a89dcef8960eac3e3b7ed507bc65beaa11f68529a65ac22c87"`
[INFO] [stdout] 93699c455d2a09a89dcef8960eac3e3b7ed507bc65beaa11f68529a65ac22c87