[INFO] updating cached repository dsvensson/sparsnas-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dsvensson/sparsnas-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dsvensson/sparsnas-rs" "work/ex/clippy-test-run/sources/stable/gh/dsvensson/sparsnas-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/dsvensson/sparsnas-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dsvensson/sparsnas-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dsvensson/sparsnas-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dsvensson/sparsnas-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f43337a066c6bb0659c189e582f9ffcafe1ca79e
[INFO] sha for GitHub repo dsvensson/sparsnas-rs: f43337a066c6bb0659c189e582f9ffcafe1ca79e
[INFO] validating manifest of dsvensson/sparsnas-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 dsvensson/sparsnas-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 dsvensson/sparsnas-rs
[INFO] finished frobbing dsvensson/sparsnas-rs
[INFO] frobbed toml for dsvensson/sparsnas-rs written to work/ex/clippy-test-run/sources/stable/gh/dsvensson/sparsnas-rs/Cargo.toml
[INFO] started frobbing dsvensson/sparsnas-rs
[INFO] finished frobbing dsvensson/sparsnas-rs
[INFO] frobbed toml for dsvensson/sparsnas-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dsvensson/sparsnas-rs/Cargo.toml
[INFO] crate dsvensson/sparsnas-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 dsvensson/sparsnas-rs against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/dsvensson/sparsnas-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] 8db58f3e9a080d93cd94473b892d5ed1a0685de7049783322a4d9a1adb728583
[INFO] running `"docker" "start" "-a" "8db58f3e9a080d93cd94473b892d5ed1a0685de7049783322a4d9a1adb728583"`
[INFO] [stderr]     Checking nb v0.1.1
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]    Compiling serde v1.0.68
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling syn v0.14.3
[INFO] [stderr]     Checking nix v0.10.0
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]     Checking embedded-hal v0.2.1
[INFO] [stderr]     Checking cc1101 v0.0.3
[INFO] [stderr]     Checking spidev v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.68
[INFO] [stderr]     Checking sysfs_gpio v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.22
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cargo_metadata v0.5.6
[INFO] [stderr]    Compiling skeptic v0.13.3
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]     Checking linux-embedded-hal v0.2.0
[INFO] [stderr]     Checking sparsnas v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         3686400 / avg as u32
[INFO] [stderr]    |         ^^^^^^^ help: consider: `3_686_400`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `buf`.
[INFO] [stderr]  --> src/iterreader.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 |         for i in 0..buf.len() {
[INFO] [stderr]   |                  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]   |
[INFO] [stderr] 8 |         for <item> in &mut buf {
[INFO] [stderr]   |             ^^^^^^    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:74:19
[INFO] [stderr]    |
[INFO] [stderr] 74 |         3686400 / avg as u32
[INFO] [stderr]    |                   ^^^^^^^^^^ help: try: `u32::from(avg)`
[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: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |         3686400 / avg as u32
[INFO] [stderr]    |         ^^^^^^^ help: consider: `3_686_400`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `buf`.
[INFO] [stderr]  --> src/iterreader.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 |         for i in 0..buf.len() {
[INFO] [stderr]   |                  ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]   |
[INFO] [stderr] 8 |         for <item> in &mut buf {
[INFO] [stderr]   |             ^^^^^^    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:74:19
[INFO] [stderr]    |
[INFO] [stderr] 74 |         3686400 / avg as u32
[INFO] [stderr]    |                   ^^^^^^^^^^ help: try: `u32::from(avg)`
[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 [unoptimized + debuginfo] target(s) in 44.58s
[INFO] running `"docker" "inspect" "8db58f3e9a080d93cd94473b892d5ed1a0685de7049783322a4d9a1adb728583"`
[INFO] running `"docker" "rm" "-f" "8db58f3e9a080d93cd94473b892d5ed1a0685de7049783322a4d9a1adb728583"`
[INFO] [stdout] 8db58f3e9a080d93cd94473b892d5ed1a0685de7049783322a4d9a1adb728583