[INFO] updating cached repository OffBlockway/OffBlockwayMiningClient
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/OffBlockway/OffBlockwayMiningClient
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/OffBlockway/OffBlockwayMiningClient" "work/ex/clippy-test-run/sources/stable/gh/OffBlockway/OffBlockwayMiningClient"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/OffBlockway/OffBlockwayMiningClient'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/OffBlockway/OffBlockwayMiningClient" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/OffBlockway/OffBlockwayMiningClient"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/OffBlockway/OffBlockwayMiningClient'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6fc1cfb70b1656b364916575b4405331ae0f6a8f
[INFO] sha for GitHub repo OffBlockway/OffBlockwayMiningClient: 6fc1cfb70b1656b364916575b4405331ae0f6a8f
[INFO] validating manifest of OffBlockway/OffBlockwayMiningClient 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 OffBlockway/OffBlockwayMiningClient 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 OffBlockway/OffBlockwayMiningClient
[INFO] finished frobbing OffBlockway/OffBlockwayMiningClient
[INFO] frobbed toml for OffBlockway/OffBlockwayMiningClient written to work/ex/clippy-test-run/sources/stable/gh/OffBlockway/OffBlockwayMiningClient/Cargo.toml
[INFO] started frobbing OffBlockway/OffBlockwayMiningClient
[INFO] finished frobbing OffBlockway/OffBlockwayMiningClient
[INFO] frobbed toml for OffBlockway/OffBlockwayMiningClient written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/OffBlockway/OffBlockwayMiningClient/Cargo.toml
[INFO] crate OffBlockway/OffBlockwayMiningClient 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 OffBlockway/OffBlockwayMiningClient 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/OffBlockway/OffBlockwayMiningClient:/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] 89a2fddd15a2e933752795e8c5b8ff24e45d02785c8aa702b661daa7e8749035
[INFO] running `"docker" "start" "-a" "89a2fddd15a2e933752795e8c5b8ff24e45d02785c8aa702b661daa7e8749035"`
[INFO] [stderr]     Checking sha3 v0.6.0
[INFO] [stderr]     Checking off_blockway v0.0.8
[INFO] [stderr]     Checking mining_client v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]    --> src/main.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     print!( "{}\n", styling::HEADER );
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::print_with_newline)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead
[INFO] [stderr]    --> src/main.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     print!( "{}\n", styling::HEADER );
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::print_with_newline)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/json.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |         pass
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/json.rs:121:20
[INFO] [stderr]     |
[INFO] [stderr] 121 |           let pass = Passport
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 122 | |         {
[INFO] [stderr] 123 | |
[INFO] [stderr] 124 | |             uid: unique_hash, 
[INFO] [stderr] ...   |
[INFO] [stderr] 127 | |
[INFO] [stderr] 128 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/json.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |         miner
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/json.rs:207:21
[INFO] [stderr]     |
[INFO] [stderr] 207 |           let miner = Miner
[INFO] [stderr]     |  _____________________^
[INFO] [stderr] 208 | |         {
[INFO] [stderr] 209 | |
[INFO] [stderr] 210 | |             // Sets the fields of the miner to the values calculated above
[INFO] [stderr] ...   |
[INFO] [stderr] 214 | |             
[INFO] [stderr] 215 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/json.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |         pass
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/json.rs:121:20
[INFO] [stderr]     |
[INFO] [stderr] 121 |           let pass = Passport
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 122 | |         {
[INFO] [stderr] 123 | |
[INFO] [stderr] 124 | |             uid: unique_hash, 
[INFO] [stderr] ...   |
[INFO] [stderr] 127 | |
[INFO] [stderr] 128 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/json.rs:216:9
[INFO] [stderr]     |
[INFO] [stderr] 216 |         miner
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/json.rs:207:21
[INFO] [stderr]     |
[INFO] [stderr] 207 |           let miner = Miner
[INFO] [stderr]     |  _____________________^
[INFO] [stderr] 208 | |         {
[INFO] [stderr] 209 | |
[INFO] [stderr] 210 | |             // Sets the fields of the miner to the values calculated above
[INFO] [stderr] ...   |
[INFO] [stderr] 214 | |             
[INFO] [stderr] 215 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/json.rs:263:33
[INFO] [stderr]     |
[INFO] [stderr] 263 |             let transaction = &*nodes.get( i ).unwrap();
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `nodes[i]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/json.rs:470:24
[INFO] [stderr]     |
[INFO] [stderr] 470 |         let question = self.log.get( index ).clone();
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.log.get( index )`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         file.read_to_string( &mut buffer );
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:233:55
[INFO] [stderr]     |
[INFO] [stderr] 233 |             println!( "\nOption {}: {}\n", index + 1, options.get( index ).unwrap() );
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `options[index]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]    --> src/main.rs:245:29
[INFO] [stderr]     |
[INFO] [stderr] 245 |         if input.clone() == question.correct().to_string()
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `question.correct()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cmp_owned)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/json.rs:263:33
[INFO] [stderr]     |
[INFO] [stderr] 263 |             let transaction = &*nodes.get( i ).unwrap();
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `nodes[i]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/json.rs:470:24
[INFO] [stderr]     |
[INFO] [stderr] 470 |         let question = self.log.get( index ).clone();
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `self.log.get( index )`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         file.read_to_string( &mut buffer );
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:233:55
[INFO] [stderr]     |
[INFO] [stderr] 233 |             println!( "\nOption {}: {}\n", index + 1, options.get( index ).unwrap() );
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `options[index]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]    --> src/main.rs:245:29
[INFO] [stderr]     |
[INFO] [stderr] 245 |         if input.clone() == question.correct().to_string()
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `question.correct()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cmp_owned)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.12s
[INFO] running `"docker" "inspect" "89a2fddd15a2e933752795e8c5b8ff24e45d02785c8aa702b661daa7e8749035"`
[INFO] running `"docker" "rm" "-f" "89a2fddd15a2e933752795e8c5b8ff24e45d02785c8aa702b661daa7e8749035"`
[INFO] [stdout] 89a2fddd15a2e933752795e8c5b8ff24e45d02785c8aa702b661daa7e8749035