[INFO] updating cached repository jreyes33/verbotso
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jreyes33/verbotso
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jreyes33/verbotso" "work/ex/clippy-test-run/sources/stable/gh/jreyes33/verbotso"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/jreyes33/verbotso'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jreyes33/verbotso" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jreyes33/verbotso"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jreyes33/verbotso'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0ae3711004c8ef5a936a6a4781619515c69ef0c7
[INFO] sha for GitHub repo jreyes33/verbotso: 0ae3711004c8ef5a936a6a4781619515c69ef0c7
[INFO] validating manifest of jreyes33/verbotso 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 jreyes33/verbotso 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 jreyes33/verbotso
[INFO] finished frobbing jreyes33/verbotso
[INFO] frobbed toml for jreyes33/verbotso written to work/ex/clippy-test-run/sources/stable/gh/jreyes33/verbotso/Cargo.toml
[INFO] started frobbing jreyes33/verbotso
[INFO] finished frobbing jreyes33/verbotso
[INFO] frobbed toml for jreyes33/verbotso written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jreyes33/verbotso/Cargo.toml
[INFO] crate jreyes33/verbotso 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 jreyes33/verbotso 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/jreyes33/verbotso:/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] 6469049c7a14ad31e47690286f4b1e756bf2b60db9f32520199ab644c1a75d6a
[INFO] running `"docker" "start" "-a" "6469049c7a14ad31e47690286f4b1e756bf2b60db9f32520199ab644c1a75d6a"`
[INFO] [stderr]     Checking verbotso v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     synonyms
[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/main.rs:23:20
[INFO] [stderr]    |
[INFO] [stderr] 23 |       let synonyms = match contents.find(format!("\n{}", term).as_str()) {
[INFO] [stderr]    |  ____________________^
[INFO] [stderr] 24 | |         Some(pos) => read_synonyms(&contents, pos),
[INFO] [stderr] 25 | |         None => vec![],
[INFO] [stderr] 26 | |     };
[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/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     synonyms
[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/main.rs:23:20
[INFO] [stderr]    |
[INFO] [stderr] 23 |       let synonyms = match contents.find(format!("\n{}", term).as_str()) {
[INFO] [stderr]    |  ____________________^
[INFO] [stderr] 24 | |         Some(pos) => read_synonyms(&contents, pos),
[INFO] [stderr] 25 | |         None => vec![],
[INFO] [stderr] 26 | |     };
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     file.read_to_string(&mut contents);
[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: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:35:37
[INFO] [stderr]    |
[INFO] [stderr] 35 |         .flat_map(|line| line.split("|").skip(1))
[INFO] [stderr]    |                                     ^^^ help: try using a char instead: `'|'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     file.read_to_string(&mut contents);
[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: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:35:37
[INFO] [stderr]    |
[INFO] [stderr] 35 |         .flat_map(|line| line.split("|").skip(1))
[INFO] [stderr]    |                                     ^^^ help: try using a char instead: `'|'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "6469049c7a14ad31e47690286f4b1e756bf2b60db9f32520199ab644c1a75d6a"`
[INFO] running `"docker" "rm" "-f" "6469049c7a14ad31e47690286f4b1e756bf2b60db9f32520199ab644c1a75d6a"`
[INFO] [stdout] 6469049c7a14ad31e47690286f4b1e756bf2b60db9f32520199ab644c1a75d6a