[INFO] updating cached repository luser/procio-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/luser/procio-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/luser/procio-rs" "work/ex/clippy-test-run/sources/stable/gh/luser/procio-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/luser/procio-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/luser/procio-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/luser/procio-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/luser/procio-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8cb69bad021308390da7b6182baca3081224045d
[INFO] sha for GitHub repo luser/procio-rs: 8cb69bad021308390da7b6182baca3081224045d
[INFO] validating manifest of luser/procio-rs 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 luser/procio-rs 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 luser/procio-rs
[INFO] finished frobbing luser/procio-rs
[INFO] frobbed toml for luser/procio-rs written to work/ex/clippy-test-run/sources/stable/gh/luser/procio-rs/Cargo.toml
[INFO] started frobbing luser/procio-rs
[INFO] finished frobbing luser/procio-rs
[INFO] frobbed toml for luser/procio-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/luser/procio-rs/Cargo.toml
[INFO] crate luser/procio-rs 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 luser/procio-rs against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/luser/procio-rs:/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] 464eed1763f4e7c538827454448cf74577c2cf2e44eef66d5265b237b7a1f79b
[INFO] running `"docker" "start" "-a" "464eed1763f4e7c538827454448cf74577c2cf2e44eef66d5265b237b7a1f79b"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking number_prefix v0.2.7
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking procio v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: Calling `subsec_millis()` is more concise than this calculation
[INFO] [stderr]   --> src/main.rs:25:54
[INFO] [stderr]    |
[INFO] [stderr] 25 |     write!(writer, "{}.{:03} s", duration.as_secs(), duration.subsec_nanos() / NS_PER_SEC)?;
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `duration.subsec_millis()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::duration_subsec)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:69:30
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let bps = (bps as f64) + (d.subsec_nanos() / NS_PER_SEC) as f64;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(d.subsec_nanos() / NS_PER_SEC)`
[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: Calling `subsec_millis()` is more concise than this calculation
[INFO] [stderr]   --> src/main.rs:69:30
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let bps = (bps as f64) + (d.subsec_nanos() / NS_PER_SEC) as f64;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `d.subsec_millis()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/main.rs:110:16
[INFO] [stderr]     |
[INFO] [stderr] 110 |           if let Some(_) = p.try_wait()? {
[INFO] [stderr]     |  _________-      ^^^^^^^
[INFO] [stderr] 111 | |             return Ok(());
[INFO] [stderr] 112 | |         }
[INFO] [stderr]     | |_________- help: try this: `if p.try_wait()?.is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: the `e @ _` pattern can be written as just `e`
[INFO] [stderr]    --> src/main.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |             e @ _ => return Err(format_err!("Unexpected wait status: {:?}", e)),
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: Calling `subsec_millis()` is more concise than this calculation
[INFO] [stderr]   --> src/main.rs:25:54
[INFO] [stderr]    |
[INFO] [stderr] 25 |     write!(writer, "{}.{:03} s", duration.as_secs(), duration.subsec_nanos() / NS_PER_SEC)?;
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `duration.subsec_millis()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::duration_subsec)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:69:30
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let bps = (bps as f64) + (d.subsec_nanos() / NS_PER_SEC) as f64;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(d.subsec_nanos() / NS_PER_SEC)`
[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: Calling `subsec_millis()` is more concise than this calculation
[INFO] [stderr]   --> src/main.rs:69:30
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let bps = (bps as f64) + (d.subsec_nanos() / NS_PER_SEC) as f64;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `d.subsec_millis()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#duration_subsec
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/main.rs:110:16
[INFO] [stderr]     |
[INFO] [stderr] 110 |           if let Some(_) = p.try_wait()? {
[INFO] [stderr]     |  _________-      ^^^^^^^
[INFO] [stderr] 111 | |             return Ok(());
[INFO] [stderr] 112 | |         }
[INFO] [stderr]     | |_________- help: try this: `if p.try_wait()?.is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: the `e @ _` pattern can be written as just `e`
[INFO] [stderr]    --> src/main.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |             e @ _ => return Err(format_err!("Unexpected wait status: {:?}", e)),
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.86s
[INFO] running `"docker" "inspect" "464eed1763f4e7c538827454448cf74577c2cf2e44eef66d5265b237b7a1f79b"`
[INFO] running `"docker" "rm" "-f" "464eed1763f4e7c538827454448cf74577c2cf2e44eef66d5265b237b7a1f79b"`
[INFO] [stdout] 464eed1763f4e7c538827454448cf74577c2cf2e44eef66d5265b237b7a1f79b