[INFO] crate netdb 0.1.0 is already in cache
[INFO] extracting crate netdb 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/netdb/0.1.0
[INFO] extracting crate netdb 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/netdb/0.1.0
[INFO] validating manifest of netdb-0.1.0 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 netdb-0.1.0 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 netdb-0.1.0
[INFO] finished frobbing netdb-0.1.0
[INFO] frobbed toml for netdb-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/netdb/0.1.0/Cargo.toml
[INFO] started frobbing netdb-0.1.0
[INFO] finished frobbing netdb-0.1.0
[INFO] frobbed toml for netdb-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/netdb/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 netdb-0.1.0 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/reg/netdb/0.1.0:/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] b49b3aef9b6cd219da54e72b8186979cd96432e6f8d03d84b00256a7e8ce01cd
[INFO] running `"docker" "start" "-a" "b49b3aef9b6cd219da54e72b8186979cd96432e6f8d03d84b00256a7e8ce01cd"`
[INFO] [stderr]     Checking domain v0.2.4
[INFO] [stderr]     Checking netdb v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/hosts/dns.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |             addr: addr,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `addr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/hosts/dns.rs:90:29
[INFO] [stderr]    |
[INFO] [stderr] 90 |                             name: name,
[INFO] [stderr]    |                             ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/hosts/files.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 name: name,
[INFO] [stderr]    |                 ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/hosts/dns.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |             addr: addr,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `addr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/hosts/dns.rs:90:29
[INFO] [stderr]    |
[INFO] [stderr] 90 |                             name: name,
[INFO] [stderr]    |                             ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/hosts/files.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |                 name: name,
[INFO] [stderr]    |                 ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: replacing an `Option` with `None`
[INFO] [stderr]   --> src/hosts/dns.rs:49:23
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 match mem::replace(inner, None) {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider `Option::take()` instead: `inner.take()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::mem_replace_option_with_none)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#mem_replace_option_with_none
[INFO] [stderr] 
[INFO] [stderr] warning: replacing an `Option` with `None`
[INFO] [stderr]    --> src/hosts/dns.rs:103:23
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 match mem::replace(inner, None) {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider `Option::take()` instead: `inner.take()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#mem_replace_option_with_none
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/hosts/files.rs:20:24
[INFO] [stderr]    |
[INFO] [stderr] 20 |                 addrs: iter.map(|addr| *addr).collect(),
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `iter.cloned()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: large size difference between variants
[INFO] [stderr]    --> src/hosts/mod.rs:154:5
[INFO] [stderr]     |
[INFO] [stderr] 154 |     Dns(dns::HostByName),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::large_enum_variant)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stderr] help: consider boxing the large fields to reduce the total size of the enum
[INFO] [stderr]     |
[INFO] [stderr] 154 |     Dns(Box<dns::HostByName>),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: replacing an `Option` with `None`
[INFO] [stderr]   --> src/hosts/dns.rs:49:23
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 match mem::replace(inner, None) {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider `Option::take()` instead: `inner.take()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::mem_replace_option_with_none)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#mem_replace_option_with_none
[INFO] [stderr] 
[INFO] [stderr] warning: replacing an `Option` with `None`
[INFO] [stderr]    --> src/hosts/dns.rs:103:23
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 match mem::replace(inner, None) {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider `Option::take()` instead: `inner.take()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#mem_replace_option_with_none
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/hosts/files.rs:20:24
[INFO] [stderr]    |
[INFO] [stderr] 20 |                 addrs: iter.map(|addr| *addr).collect(),
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `iter.cloned()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: large size difference between variants
[INFO] [stderr]    --> src/hosts/mod.rs:154:5
[INFO] [stderr]     |
[INFO] [stderr] 154 |     Dns(dns::HostByName),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::large_enum_variant)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_enum_variant
[INFO] [stderr] help: consider boxing the large fields to reduce the total size of the enum
[INFO] [stderr]     |
[INFO] [stderr] 154 |     Dns(Box<dns::HostByName>),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.26s
[INFO] running `"docker" "inspect" "b49b3aef9b6cd219da54e72b8186979cd96432e6f8d03d84b00256a7e8ce01cd"`
[INFO] running `"docker" "rm" "-f" "b49b3aef9b6cd219da54e72b8186979cd96432e6f8d03d84b00256a7e8ce01cd"`
[INFO] [stdout] b49b3aef9b6cd219da54e72b8186979cd96432e6f8d03d84b00256a7e8ce01cd