[INFO] updating cached repository tamamu/roman-numeral-parser
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tamamu/roman-numeral-parser
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tamamu/roman-numeral-parser" "work/ex/clippy-test-run/sources/stable/gh/tamamu/roman-numeral-parser"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/tamamu/roman-numeral-parser'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tamamu/roman-numeral-parser" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tamamu/roman-numeral-parser"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tamamu/roman-numeral-parser'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 42686284b72832231327d959447965e0d0b96b4f
[INFO] sha for GitHub repo tamamu/roman-numeral-parser: 42686284b72832231327d959447965e0d0b96b4f
[INFO] validating manifest of tamamu/roman-numeral-parser 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 tamamu/roman-numeral-parser 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 tamamu/roman-numeral-parser
[INFO] finished frobbing tamamu/roman-numeral-parser
[INFO] frobbed toml for tamamu/roman-numeral-parser written to work/ex/clippy-test-run/sources/stable/gh/tamamu/roman-numeral-parser/Cargo.toml
[INFO] started frobbing tamamu/roman-numeral-parser
[INFO] finished frobbing tamamu/roman-numeral-parser
[INFO] frobbed toml for tamamu/roman-numeral-parser written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tamamu/roman-numeral-parser/Cargo.toml
[INFO] crate tamamu/roman-numeral-parser 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 tamamu/roman-numeral-parser against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tamamu/roman-numeral-parser:/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 -Dclippy::into_iter_on_array" "-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] e4ef9e0ee34b401b926adb6c66c730c74fedc56bcedfc0fc0e46b99fef1e3b04
[INFO] running `"docker" "start" "-a" "e4ef9e0ee34b401b926adb6c66c730c74fedc56bcedfc0fc0e46b99fef1e3b04"`
[INFO] [stderr]     Checking rome_parser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             src: src,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `src`
[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:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             src: src,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `src`
[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: unreachable pattern
[INFO] [stderr]    --> src/main.rs:134:21
[INFO] [stderr]     |
[INFO] [stderr] 134 |                     _ => Err(ParseError::IllegalAlignment)
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `first_max`
[INFO] [stderr]   --> src/main.rs:87:29
[INFO] [stderr]    |
[INFO] [stderr] 87 |                 let (first, first_max) = try!(self.parse_one());
[INFO] [stderr]    |                             ^^^^^^^^^ help: consider using `_first_max` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `second_max`
[INFO] [stderr]    --> src/main.rs:115:42
[INFO] [stderr]     |
[INFO] [stderr] 115 |                             let (second, second_max) = try!(self.parse_one());
[INFO] [stderr]     |                                          ^^^^^^^^^^ help: consider using `_second_max` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/main.rs:124:33
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     Token::Five(n) => {
[INFO] [stderr]     |                                 ^ help: consider using `_n` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unknown`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Unknown
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     parser.lex();
[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: unreachable pattern
[INFO] [stderr]    --> src/main.rs:134:21
[INFO] [stderr]     |
[INFO] [stderr] 134 |                     _ => Err(ParseError::IllegalAlignment)
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `first_max`
[INFO] [stderr]   --> src/main.rs:87:29
[INFO] [stderr]    |
[INFO] [stderr] 87 |                 let (first, first_max) = try!(self.parse_one());
[INFO] [stderr]    |                             ^^^^^^^^^ help: consider using `_first_max` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `second_max`
[INFO] [stderr]    --> src/main.rs:115:42
[INFO] [stderr]     |
[INFO] [stderr] 115 |                             let (second, second_max) = try!(self.parse_one());
[INFO] [stderr]     |                                          ^^^^^^^^^^ help: consider using `_second_max` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/main.rs:124:33
[INFO] [stderr]     |
[INFO] [stderr] 124 |                     Token::Five(n) => {
[INFO] [stderr]     |                                 ^ help: consider using `_n` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unknown`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Unknown
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     parser.lex();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "e4ef9e0ee34b401b926adb6c66c730c74fedc56bcedfc0fc0e46b99fef1e3b04"`
[INFO] running `"docker" "rm" "-f" "e4ef9e0ee34b401b926adb6c66c730c74fedc56bcedfc0fc0e46b99fef1e3b04"`
[INFO] [stdout] e4ef9e0ee34b401b926adb6c66c730c74fedc56bcedfc0fc0e46b99fef1e3b04