[INFO] crate mac_address 0.8.0 is already in cache
[INFO] extracting crate mac_address 0.8.0 into work/ex/clippy-test-run/sources/stable/reg/mac_address/0.8.0
[INFO] extracting crate mac_address 0.8.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mac_address/0.8.0
[INFO] validating manifest of mac_address-0.8.0 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 mac_address-0.8.0 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 mac_address-0.8.0
[INFO] finished frobbing mac_address-0.8.0
[INFO] frobbed toml for mac_address-0.8.0 written to work/ex/clippy-test-run/sources/stable/reg/mac_address/0.8.0/Cargo.toml
[INFO] started frobbing mac_address-0.8.0
[INFO] finished frobbing mac_address-0.8.0
[INFO] frobbed toml for mac_address-0.8.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/mac_address/0.8.0/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 mac_address-0.8.0 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/reg/mac_address/0.8.0:/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] ac14f8a910f3028d999c6d6d52e4fb025f77ae7511a7dd837952cc0009213112
[INFO] running `"docker" "start" "-a" "ac14f8a910f3028d999c6d6d52e4fb025f77ae7511a7dd837952cc0009213112"`
[INFO] [stderr]    Compiling mac_address v0.8.0 (/opt/crater/workdir)
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 | /             match self {
[INFO] [stderr] 50 | |                 &InternalError => "Internal API error",
[INFO] [stderr] 51 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 49 |             match *self {
[INFO] [stderr] 50 |                 InternalError => "Internal API error",
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 | /         match self {
[INFO] [stderr] 63 | |             &InternalError => "Internal API error",
[INFO] [stderr] 64 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 62 |         match *self {
[INFO] [stderr] 63 |             InternalError => "Internal API error",
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:106:18
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn bytes(&self) -> [u8; 6] {
[INFO] [stderr]     |                  ^^^^^ help: consider passing by value instead: `self`
[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: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 | /             match self {
[INFO] [stderr] 50 | |                 &InternalError => "Internal API error",
[INFO] [stderr] 51 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 49 |             match *self {
[INFO] [stderr] 50 |                 InternalError => "Internal API error",
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/lib.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 | /         match self {
[INFO] [stderr] 63 | |             &InternalError => "Internal API error",
[INFO] [stderr] 64 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 62 |         match *self {
[INFO] [stderr] 63 |             InternalError => "Internal API error",
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:106:18
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn bytes(&self) -> [u8; 6] {
[INFO] [stderr]     |                  ^^^^^ help: consider passing by value instead: `self`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `"docker" "inspect" "ac14f8a910f3028d999c6d6d52e4fb025f77ae7511a7dd837952cc0009213112"`
[INFO] running `"docker" "rm" "-f" "ac14f8a910f3028d999c6d6d52e4fb025f77ae7511a7dd837952cc0009213112"`
[INFO] [stdout] ac14f8a910f3028d999c6d6d52e4fb025f77ae7511a7dd837952cc0009213112