[INFO] updating cached repository asymmetric/rusty-chain
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/asymmetric/rusty-chain
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/asymmetric/rusty-chain" "work/ex/clippy-test-run/sources/stable/gh/asymmetric/rusty-chain"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/asymmetric/rusty-chain'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/asymmetric/rusty-chain" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/asymmetric/rusty-chain"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/asymmetric/rusty-chain'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ffb29dddedc1186fadd07f87ec3e8ae619c0d858
[INFO] sha for GitHub repo asymmetric/rusty-chain: ffb29dddedc1186fadd07f87ec3e8ae619c0d858
[INFO] validating manifest of asymmetric/rusty-chain 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 asymmetric/rusty-chain 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 asymmetric/rusty-chain
[INFO] finished frobbing asymmetric/rusty-chain
[INFO] frobbed toml for asymmetric/rusty-chain written to work/ex/clippy-test-run/sources/stable/gh/asymmetric/rusty-chain/Cargo.toml
[INFO] started frobbing asymmetric/rusty-chain
[INFO] finished frobbing asymmetric/rusty-chain
[INFO] frobbed toml for asymmetric/rusty-chain written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/asymmetric/rusty-chain/Cargo.toml
[INFO] crate asymmetric/rusty-chain 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 asymmetric/rusty-chain against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/asymmetric/rusty-chain:/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] acea58fcb2e860cba788b184c430416d6088b6d2847fd9b2d2d295f88f420c96
[INFO] running `"docker" "start" "-a" "acea58fcb2e860cba788b184c430416d6088b6d2847fd9b2d2d295f88f420c96"`
[INFO] [stderr]     Checking clap v2.29.4
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking rusty-chain v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/blockchain/mod.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 |                 difficulty: difficulty,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `difficulty`
[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/blockchain/mod.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 |                 difficulty: difficulty,
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `difficulty`
[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: unneeded return statement
[INFO] [stderr]   --> src/util.rs:3:5
[INFO] [stderr]    |
[INFO] [stderr] 3  | /     return [
[INFO] [stderr] 4  | |         val as u8,
[INFO] [stderr] 5  | |         (val >> 8) as u8,
[INFO] [stderr] 6  | |         (val >> 16) as u8,
[INFO] [stderr] ...  |
[INFO] [stderr] 11 | |         (val >> 56) as u8,
[INFO] [stderr] 12 | |     ]
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 3  |     [
[INFO] [stderr] 4  |         val as u8,
[INFO] [stderr] 5  |         (val >> 8) as u8,
[INFO] [stderr] 6  |         (val >> 16) as u8,
[INFO] [stderr] 7  |         (val >> 24) as u8,
[INFO] [stderr] 8  |         (val >> 32) as u8,
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/util.rs:3:5
[INFO] [stderr]    |
[INFO] [stderr] 3  | /     return [
[INFO] [stderr] 4  | |         val as u8,
[INFO] [stderr] 5  | |         (val >> 8) as u8,
[INFO] [stderr] 6  | |         (val >> 16) as u8,
[INFO] [stderr] ...  |
[INFO] [stderr] 11 | |         (val >> 56) as u8,
[INFO] [stderr] 12 | |     ]
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 3  |     [
[INFO] [stderr] 4  |         val as u8,
[INFO] [stderr] 5  |         (val >> 8) as u8,
[INFO] [stderr] 6  |         (val >> 16) as u8,
[INFO] [stderr] 7  |         (val >> 24) as u8,
[INFO] [stderr] 8  |         (val >> 32) as u8,
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         difficulty: difficulty,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `difficulty`
[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/main.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         difficulty: difficulty,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `difficulty`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 8.78s
[INFO] running `"docker" "inspect" "acea58fcb2e860cba788b184c430416d6088b6d2847fd9b2d2d295f88f420c96"`
[INFO] running `"docker" "rm" "-f" "acea58fcb2e860cba788b184c430416d6088b6d2847fd9b2d2d295f88f420c96"`
[INFO] [stdout] acea58fcb2e860cba788b184c430416d6088b6d2847fd9b2d2d295f88f420c96