[INFO] updating cached repository mythmon/rust-gz-csv-test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mythmon/rust-gz-csv-test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mythmon/rust-gz-csv-test" "work/ex/clippy-test-run/sources/stable/gh/mythmon/rust-gz-csv-test"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/mythmon/rust-gz-csv-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mythmon/rust-gz-csv-test" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mythmon/rust-gz-csv-test"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mythmon/rust-gz-csv-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3bd8a249c688188986029a42089ca278edca6e18
[INFO] sha for GitHub repo mythmon/rust-gz-csv-test: 3bd8a249c688188986029a42089ca278edca6e18
[INFO] validating manifest of mythmon/rust-gz-csv-test 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 mythmon/rust-gz-csv-test 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 mythmon/rust-gz-csv-test
[INFO] finished frobbing mythmon/rust-gz-csv-test
[INFO] frobbed toml for mythmon/rust-gz-csv-test written to work/ex/clippy-test-run/sources/stable/gh/mythmon/rust-gz-csv-test/Cargo.toml
[INFO] started frobbing mythmon/rust-gz-csv-test
[INFO] finished frobbing mythmon/rust-gz-csv-test
[INFO] frobbed toml for mythmon/rust-gz-csv-test written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mythmon/rust-gz-csv-test/Cargo.toml
[INFO] crate mythmon/rust-gz-csv-test 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 mythmon/rust-gz-csv-test against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/mythmon/rust-gz-csv-test:/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] b1a942717a3b2880e394949855247c865135ece24a8663ca33ba8f94a2666a29
[INFO] running `"docker" "start" "-a" "b1a942717a3b2880e394949855247c865135ece24a8663ca33ba8f94a2666a29"`
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking csv v1.0.0-beta.5
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling serde_derive v1.0.43
[INFO] [stderr]     Checking gzcsv v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/rayon.rs:47:50
[INFO] [stderr]    |
[INFO] [stderr] 47 |         .map(|filename| count(&filename, cutoff).expect(&format!("Couldn't read {}", &filename)))
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Couldn't read {}", &filename))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/single_threaded.rs:30:47
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let (t, r) = count(&filename, cutoff).expect(&format!("Couldn't read {}", &filename));
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Couldn't read {}", &filename))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/single_threaded.rs:30:47
[INFO] [stderr]    |
[INFO] [stderr] 30 |         let (t, r) = count(&filename, cutoff).expect(&format!("Couldn't read {}", &filename));
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Couldn't read {}", &filename))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: use of `expect` followed by a function call
[INFO] [stderr]   --> src/rayon.rs:47:50
[INFO] [stderr]    |
[INFO] [stderr] 47 |         .map(|filename| count(&filename, cutoff).expect(&format!("Couldn't read {}", &filename)))
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Couldn't read {}", &filename))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::expect_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.69s
[INFO] running `"docker" "inspect" "b1a942717a3b2880e394949855247c865135ece24a8663ca33ba8f94a2666a29"`
[INFO] running `"docker" "rm" "-f" "b1a942717a3b2880e394949855247c865135ece24a8663ca33ba8f94a2666a29"`
[INFO] [stdout] b1a942717a3b2880e394949855247c865135ece24a8663ca33ba8f94a2666a29