[INFO] updating cached repository dan-f/blockchain
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dan-f/blockchain
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dan-f/blockchain" "work/ex/clippy-test-run/sources/stable/gh/dan-f/blockchain"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/dan-f/blockchain'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dan-f/blockchain" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dan-f/blockchain"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dan-f/blockchain'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4d86b044e1da1625b51e69c1564b6c388c9c8834
[INFO] sha for GitHub repo dan-f/blockchain: 4d86b044e1da1625b51e69c1564b6c388c9c8834
[INFO] validating manifest of dan-f/blockchain 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 dan-f/blockchain 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 dan-f/blockchain
[INFO] finished frobbing dan-f/blockchain
[INFO] frobbed toml for dan-f/blockchain written to work/ex/clippy-test-run/sources/stable/gh/dan-f/blockchain/Cargo.toml
[INFO] started frobbing dan-f/blockchain
[INFO] finished frobbing dan-f/blockchain
[INFO] frobbed toml for dan-f/blockchain written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/dan-f/blockchain/Cargo.toml
[INFO] crate dan-f/blockchain 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 dan-f/blockchain against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/dan-f/blockchain:/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] d43ed0a34f3182df0a69efe9037e23f738ebf6f36341455dd2e05872b7d43305
[INFO] running `"docker" "start" "-a" "d43ed0a34f3182df0a69efe9037e23f738ebf6f36341455dd2e05872b7d43305"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] [stderr]    Compiling openssl v0.10.10
[INFO] [stderr]     Checking bincode v1.0.0
[INFO] [stderr]     Checking crypto-hash v0.3.1
[INFO] [stderr]     Checking blockchain v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/block.rs:4:28
[INFO] [stderr]   |
[INFO] [stderr] 4 | const GENESIS_NONCE: u64 = 151771;
[INFO] [stderr]   |                            ^^^^^^ help: consider: `151_771`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/block.rs:19:24
[INFO] [stderr]    |
[INFO] [stderr] 19 |             timestamp: 1528749153,
[INFO] [stderr]    |                        ^^^^^^^^^^ help: consider: `1_528_749_153`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> src/block.rs:4:28
[INFO] [stderr]   |
[INFO] [stderr] 4 | const GENESIS_NONCE: u64 = 151771;
[INFO] [stderr]   |                            ^^^^^^ help: consider: `151_771`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/block.rs:19:24
[INFO] [stderr]    |
[INFO] [stderr] 19 |             timestamp: 1528749153,
[INFO] [stderr]    |                        ^^^^^^^^^^ help: consider: `1_528_749_153`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `block::GenesisBlock`
[INFO] [stderr]   --> src/block.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     pub fn new() -> Self {
[INFO] [stderr] 17 | |         let genesis = GenesisBlock {
[INFO] [stderr] 18 | |             block_num: 0,
[INFO] [stderr] 19 | |             timestamp: 1528749153,
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |         genesis
[INFO] [stderr] 28 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 8  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `blockchain::BlockChain`
[INFO] [stderr]   --> src/blockchain.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | /     pub fn new() -> Self {
[INFO] [stderr] 28 | |         let genesis = GenesisBlock::new();
[INFO] [stderr] 29 | |         let genesis_hash = genesis.hash();
[INFO] [stderr] 30 | |         BlockChain {
[INFO] [stderr] ...  |
[INFO] [stderr] 34 | |         }
[INFO] [stderr] 35 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl Default for blockchain::BlockChain {
[INFO] [stderr] 27 |     fn default() -> Self {
[INFO] [stderr] 28 |         Self::new()
[INFO] [stderr] 29 |     }
[INFO] [stderr] 30 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: item `list::List<T>` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]   --> src/list.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | / impl<T> List<T> {
[INFO] [stderr] 18 | |     pub fn new() -> Self {
[INFO] [stderr] 19 | |         List { head: None, len: 0 }
[INFO] [stderr] 20 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |     }
[INFO] [stderr] 39 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `list::List<T>`
[INFO] [stderr]   --> src/list.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     pub fn new() -> Self {
[INFO] [stderr] 19 | |         List { head: None, len: 0 }
[INFO] [stderr] 20 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 12 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `block::GenesisBlock`
[INFO] [stderr]   --> src/block.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | /     pub fn new() -> Self {
[INFO] [stderr] 17 | |         let genesis = GenesisBlock {
[INFO] [stderr] 18 | |             block_num: 0,
[INFO] [stderr] 19 | |             timestamp: 1528749153,
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |         genesis
[INFO] [stderr] 28 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 8  | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `blockchain::BlockChain`
[INFO] [stderr]   --> src/blockchain.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 | /     pub fn new() -> Self {
[INFO] [stderr] 28 | |         let genesis = GenesisBlock::new();
[INFO] [stderr] 29 | |         let genesis_hash = genesis.hash();
[INFO] [stderr] 30 | |         BlockChain {
[INFO] [stderr] ...  |
[INFO] [stderr] 34 | |         }
[INFO] [stderr] 35 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl Default for blockchain::BlockChain {
[INFO] [stderr] 27 |     fn default() -> Self {
[INFO] [stderr] 28 |         Self::new()
[INFO] [stderr] 29 |     }
[INFO] [stderr] 30 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: item `list::List<T>` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]   --> src/list.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | / impl<T> List<T> {
[INFO] [stderr] 18 | |     pub fn new() -> Self {
[INFO] [stderr] 19 | |         List { head: None, len: 0 }
[INFO] [stderr] 20 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 38 | |     }
[INFO] [stderr] 39 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `list::List<T>`
[INFO] [stderr]   --> src/list.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     pub fn new() -> Self {
[INFO] [stderr] 19 | |         List { head: None, len: 0 }
[INFO] [stderr] 20 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 12 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.31s
[INFO] running `"docker" "inspect" "d43ed0a34f3182df0a69efe9037e23f738ebf6f36341455dd2e05872b7d43305"`
[INFO] running `"docker" "rm" "-f" "d43ed0a34f3182df0a69efe9037e23f738ebf6f36341455dd2e05872b7d43305"`
[INFO] [stdout] d43ed0a34f3182df0a69efe9037e23f738ebf6f36341455dd2e05872b7d43305