[INFO] updating cached repository andevery/rsynscan
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/andevery/rsynscan
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/andevery/rsynscan" "work/ex/clippy-test-run/sources/stable/gh/andevery/rsynscan"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/andevery/rsynscan'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andevery/rsynscan" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/andevery/rsynscan"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/andevery/rsynscan'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c575db74c40608473a998f479418fa41447b0b8e
[INFO] sha for GitHub repo andevery/rsynscan: c575db74c40608473a998f479418fa41447b0b8e
[INFO] validating manifest of andevery/rsynscan 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 andevery/rsynscan 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 andevery/rsynscan
[INFO] finished frobbing andevery/rsynscan
[INFO] frobbed toml for andevery/rsynscan written to work/ex/clippy-test-run/sources/stable/gh/andevery/rsynscan/Cargo.toml
[INFO] started frobbing andevery/rsynscan
[INFO] finished frobbing andevery/rsynscan
[INFO] frobbed toml for andevery/rsynscan written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/andevery/rsynscan/Cargo.toml
[INFO] crate andevery/rsynscan 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 andevery/rsynscan against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/andevery/rsynscan:/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] 74ee76e3385c0a1aeadb7c026c18cd6bf0626a8d4819a218f62ed3485ab9737c
[INFO] running `"docker" "start" "-a" "74ee76e3385c0a1aeadb7c026c18cd6bf0626a8d4819a218f62ed3485ab9737c"`
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]     Checking syntex_errors v0.42.0
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]     Checking syntex_syntax v0.42.0
[INFO] [stderr]     Checking syntex v0.42.2
[INFO] [stderr]     Checking pnet_macros v0.11.0
[INFO] [stderr]    Compiling pnet v0.14.0
[INFO] [stderr]     Checking rsynscan v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         Err(_) => panic!("{}: invalid ip address'{}'", program, target),
[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: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]   --> src/main.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         Err(_) => panic!("{}: invalid port'{}'", program, port),
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/main.rs:138:18
[INFO] [stderr]     |
[INFO] [stderr] 138 | fn route(target: &Ipv4Addr) -> Result<(NetworkInterface, Ipv4Addr), io::Error> {
[INFO] [stderr]     |                  ^^^^^^^^^ help: consider passing by value instead: `Ipv4Addr`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[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:176:33
[INFO] [stderr]     |
[INFO] [stderr] 176 |                     let iface = interfaces.into_iter().filter(filter).next().unwrap();
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::filter_next)] on by default
[INFO] [stderr]     = note: replace `filter(filter).next()` with `find(filter)`
[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:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         Err(_) => panic!("{}: invalid ip address'{}'", program, target),
[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: Err(_) will match all errors, maybe not a good idea
[INFO] [stderr]   --> src/main.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         Err(_) => panic!("{}: invalid port'{}'", program, port),
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/main.rs:138:18
[INFO] [stderr]     |
[INFO] [stderr] 138 | fn route(target: &Ipv4Addr) -> Result<(NetworkInterface, Ipv4Addr), io::Error> {
[INFO] [stderr]     |                  ^^^^^^^^^ help: consider passing by value instead: `Ipv4Addr`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[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:176:33
[INFO] [stderr]     |
[INFO] [stderr] 176 |                     let iface = interfaces.into_iter().filter(filter).next().unwrap();
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::filter_next)] on by default
[INFO] [stderr]     = note: replace `filter(filter).next()` with `find(filter)`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#filter_next
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `"docker" "inspect" "74ee76e3385c0a1aeadb7c026c18cd6bf0626a8d4819a218f62ed3485ab9737c"`
[INFO] running `"docker" "rm" "-f" "74ee76e3385c0a1aeadb7c026c18cd6bf0626a8d4819a218f62ed3485ab9737c"`
[INFO] [stdout] 74ee76e3385c0a1aeadb7c026c18cd6bf0626a8d4819a218f62ed3485ab9737c