[INFO] updating cached repository sd-rust/sprep
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sd-rust/sprep
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sd-rust/sprep" "work/ex/clippy-test-run/sources/stable/gh/sd-rust/sprep"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/sd-rust/sprep'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sd-rust/sprep" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sd-rust/sprep"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sd-rust/sprep'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d59c9d7980c517ad3f7e6758a0f6a2657336bdb5
[INFO] sha for GitHub repo sd-rust/sprep: d59c9d7980c517ad3f7e6758a0f6a2657336bdb5
[INFO] validating manifest of sd-rust/sprep 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 sd-rust/sprep 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 sd-rust/sprep
[INFO] finished frobbing sd-rust/sprep
[INFO] frobbed toml for sd-rust/sprep written to work/ex/clippy-test-run/sources/stable/gh/sd-rust/sprep/Cargo.toml
[INFO] started frobbing sd-rust/sprep
[INFO] finished frobbing sd-rust/sprep
[INFO] frobbed toml for sd-rust/sprep written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sd-rust/sprep/Cargo.toml
[INFO] crate sd-rust/sprep 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 sd-rust/sprep 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/sd-rust/sprep:/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] 40412ca57cd93acdac61868725d212bfb22d5e01e110f55f6620ebd919d745c2
[INFO] running `"docker" "start" "-a" "40412ca57cd93acdac61868725d212bfb22d5e01e110f55f6620ebd919d745c2"`
[INFO] [stderr]     Checking reexport-proc-macro v1.0.5
[INFO] [stderr]     Checking array-macro v1.0.2
[INFO] [stderr]     Checking enumset v0.3.10
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stderr]     Checking chan v0.1.21
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]    Compiling enum-map-derive v0.2.10
[INFO] [stderr]     Checking chan-signal v0.3.1
[INFO] [stderr]     Checking enum-map v0.2.36
[INFO] [stderr]     Checking cursive v0.8.2
[INFO] [stderr]     Checking spaced_learner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/model.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     return serde_yaml::from_str(&contents).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `serde_yaml::from_str(&contents).unwrap()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/model.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     return serde_yaml::from_str(&contents).unwrap();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `serde_yaml::from_str(&contents).unwrap()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load_file`
[INFO] [stderr]   --> src/model.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn load_file(file_name: &str) -> Vec<QAndA>{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load_file`
[INFO] [stderr]   --> src/model.rs:47:1
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn load_file(file_name: &str) -> Vec<QAndA>{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.31s
[INFO] running `"docker" "inspect" "40412ca57cd93acdac61868725d212bfb22d5e01e110f55f6620ebd919d745c2"`
[INFO] running `"docker" "rm" "-f" "40412ca57cd93acdac61868725d212bfb22d5e01e110f55f6620ebd919d745c2"`
[INFO] [stdout] 40412ca57cd93acdac61868725d212bfb22d5e01e110f55f6620ebd919d745c2