[INFO] updating cached repository gslavin/author_identifier
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gslavin/author_identifier
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gslavin/author_identifier" "work/ex/clippy-test-run/sources/stable/gh/gslavin/author_identifier"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/gslavin/author_identifier'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gslavin/author_identifier" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/gslavin/author_identifier"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/gslavin/author_identifier'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e57dfd81b4bf4b04210a76fa1ccd2102696e9ae2
[INFO] sha for GitHub repo gslavin/author_identifier: e57dfd81b4bf4b04210a76fa1ccd2102696e9ae2
[INFO] validating manifest of gslavin/author_identifier 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 gslavin/author_identifier 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 gslavin/author_identifier
[INFO] finished frobbing gslavin/author_identifier
[INFO] frobbed toml for gslavin/author_identifier written to work/ex/clippy-test-run/sources/stable/gh/gslavin/author_identifier/Cargo.toml
[INFO] started frobbing gslavin/author_identifier
[INFO] finished frobbing gslavin/author_identifier
[INFO] frobbed toml for gslavin/author_identifier written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/gslavin/author_identifier/Cargo.toml
[INFO] crate gslavin/author_identifier 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 gslavin/author_identifier 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/gslavin/author_identifier:/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] e0191d225d67345b4ee5a37e48c54ec44dcf79b47a6c46323e92baa1cf4e1bae
[INFO] running `"docker" "start" "-a" "e0191d225d67345b4ee5a37e48c54ec44dcf79b47a6c46323e92baa1cf4e1bae"`
[INFO] [stderr]     Checking author_identifier v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]   --> src/word_chain.rs:23:29
[INFO] [stderr]    |
[INFO] [stderr] 23 |             if let Err(x) = write!(f, "{:?} -> {:?})\n", key_words, word_counts) {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/word_chain.rs:47:20
[INFO] [stderr]    |
[INFO] [stderr] 47 |         WordChain{ title: title, word_map: word_map, key_length: key_length}
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: replace it with: `title`
[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/word_chain.rs:47:34
[INFO] [stderr]    |
[INFO] [stderr] 47 |         WordChain{ title: title, word_map: word_map, key_length: key_length}
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^ help: replace it with: `word_map`
[INFO] [stderr]    |
[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/word_chain.rs:47:54
[INFO] [stderr]    |
[INFO] [stderr] 47 |         WordChain{ title: title, word_map: word_map, key_length: key_length}
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `key_length`
[INFO] [stderr]    |
[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: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]   --> src/word_chain.rs:23:29
[INFO] [stderr]    |
[INFO] [stderr] 23 |             if let Err(x) = write!(f, "{:?} -> {:?})\n", key_words, word_counts) {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/word_chain.rs:47:20
[INFO] [stderr]    |
[INFO] [stderr] 47 |         WordChain{ title: title, word_map: word_map, key_length: key_length}
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: replace it with: `title`
[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/word_chain.rs:47:34
[INFO] [stderr]    |
[INFO] [stderr] 47 |         WordChain{ title: title, word_map: word_map, key_length: key_length}
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^ help: replace it with: `word_map`
[INFO] [stderr]    |
[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/word_chain.rs:47:54
[INFO] [stderr]    |
[INFO] [stderr] 47 |         WordChain{ title: title, word_map: word_map, key_length: key_length}
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `key_length`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `alloc_system`
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate alloc_system;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `author_identifier`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `alloc_system`
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate alloc_system;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `author_identifier`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e0191d225d67345b4ee5a37e48c54ec44dcf79b47a6c46323e92baa1cf4e1bae"`
[INFO] running `"docker" "rm" "-f" "e0191d225d67345b4ee5a37e48c54ec44dcf79b47a6c46323e92baa1cf4e1bae"`
[INFO] [stdout] e0191d225d67345b4ee5a37e48c54ec44dcf79b47a6c46323e92baa1cf4e1bae