[INFO] updating cached repository Sam-Jeston/network_monitor
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Sam-Jeston/network_monitor
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Sam-Jeston/network_monitor" "work/ex/clippy-test-run/sources/stable/gh/Sam-Jeston/network_monitor"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Sam-Jeston/network_monitor'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Sam-Jeston/network_monitor" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Sam-Jeston/network_monitor"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Sam-Jeston/network_monitor'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fb4433b27c83d4ed7c5ee3663ab95ff36dea624c
[INFO] sha for GitHub repo Sam-Jeston/network_monitor: fb4433b27c83d4ed7c5ee3663ab95ff36dea624c
[INFO] validating manifest of Sam-Jeston/network_monitor 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 Sam-Jeston/network_monitor 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 Sam-Jeston/network_monitor
[INFO] finished frobbing Sam-Jeston/network_monitor
[INFO] frobbed toml for Sam-Jeston/network_monitor written to work/ex/clippy-test-run/sources/stable/gh/Sam-Jeston/network_monitor/Cargo.toml
[INFO] started frobbing Sam-Jeston/network_monitor
[INFO] finished frobbing Sam-Jeston/network_monitor
[INFO] frobbed toml for Sam-Jeston/network_monitor written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Sam-Jeston/network_monitor/Cargo.toml
[INFO] crate Sam-Jeston/network_monitor 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 Sam-Jeston/network_monitor 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/Sam-Jeston/network_monitor:/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] bf4918348c7258605684cb56566c66d4eb99da8308de8078fb041873da996aa3
[INFO] running `"docker" "start" "-a" "bf4918348c7258605684cb56566c66d4eb99da8308de8078fb041873da996aa3"`
[INFO] [stderr]    Compiling term v0.4.5
[INFO] [stderr]     Checking pnet_macros_support v0.1.1
[INFO] [stderr]     Checking ipnetwork v0.12.3
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread-id v3.1.0
[INFO] [stderr]     Checking syntex_errors v0.42.0
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking syntex_syntax v0.42.0
[INFO] [stderr]     Checking syntex v0.42.2
[INFO] [stderr]     Checking pnet_macros v0.13.1
[INFO] [stderr]    Compiling pnet v0.17.1
[INFO] [stderr]     Checking network_monitor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `MutablePacket`, `Packet`
[INFO] [stderr]  --> src/main.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 | use pnet::packet::{Packet, MutablePacket, PacketSize};
[INFO] [stderr]   |                    ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead.
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     datalink::interfaces()
[INFO] [stderr] 23 | |         .into_iter()
[INFO] [stderr] 24 | |         .filter(interface_names_match)
[INFO] [stderr] 25 | |         .next()
[INFO] [stderr]    | |_______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::filter_next)] on by default
[INFO] [stderr]    = note: replace `filter(interface_names_match).next()` with `find(interface_names_match)`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#filter_next
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]   --> src/main.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |             Err(_) => {
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]    = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `MutablePacket`, `Packet`
[INFO] [stderr]  --> src/main.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 | use pnet::packet::{Packet, MutablePacket, PacketSize};
[INFO] [stderr]   |                    ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: called `filter(p).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(p)` instead.
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | /     datalink::interfaces()
[INFO] [stderr] 23 | |         .into_iter()
[INFO] [stderr] 24 | |         .filter(interface_names_match)
[INFO] [stderr] 25 | |         .next()
[INFO] [stderr]    | |_______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::filter_next)] on by default
[INFO] [stderr]    = note: replace `filter(interface_names_match).next()` with `find(interface_names_match)`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#filter_next
[INFO] [stderr] 
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]   --> src/main.rs:71:13
[INFO] [stderr]    |
[INFO] [stderr] 71 |             Err(_) => {
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_wild_err_arm)] on by default
[INFO] [stderr]    = note: to remove this warning, match each error separately or use unreachable macro
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_wild_err_arm
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.63s
[INFO] running `"docker" "inspect" "bf4918348c7258605684cb56566c66d4eb99da8308de8078fb041873da996aa3"`
[INFO] running `"docker" "rm" "-f" "bf4918348c7258605684cb56566c66d4eb99da8308de8078fb041873da996aa3"`
[INFO] [stdout] bf4918348c7258605684cb56566c66d4eb99da8308de8078fb041873da996aa3