[INFO] updating cached repository nyghtly-derek/convert-temp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nyghtly-derek/convert-temp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nyghtly-derek/convert-temp" "work/ex/clippy-test-run/sources/stable/gh/nyghtly-derek/convert-temp"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/nyghtly-derek/convert-temp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nyghtly-derek/convert-temp" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nyghtly-derek/convert-temp"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nyghtly-derek/convert-temp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c6a8881885c883125621e89ae4490f48bc6a337e
[INFO] sha for GitHub repo nyghtly-derek/convert-temp: c6a8881885c883125621e89ae4490f48bc6a337e
[INFO] validating manifest of nyghtly-derek/convert-temp 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 nyghtly-derek/convert-temp 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 nyghtly-derek/convert-temp
[INFO] finished frobbing nyghtly-derek/convert-temp
[INFO] frobbed toml for nyghtly-derek/convert-temp written to work/ex/clippy-test-run/sources/stable/gh/nyghtly-derek/convert-temp/Cargo.toml
[INFO] started frobbing nyghtly-derek/convert-temp
[INFO] finished frobbing nyghtly-derek/convert-temp
[INFO] frobbed toml for nyghtly-derek/convert-temp written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/nyghtly-derek/convert-temp/Cargo.toml
[INFO] crate nyghtly-derek/convert-temp 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 nyghtly-derek/convert-temp 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/nyghtly-derek/convert-temp:/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] 3f9bf76cdd7f0b1a6d61a9ed4eaf015b3fee748eddddade54c72bef8a5816112
[INFO] running `"docker" "start" "-a" "3f9bf76cdd7f0b1a6d61a9ed4eaf015b3fee748eddddade54c72bef8a5816112"`
[INFO] [stderr]     Checking convert_temp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     return (temp - 32.0) / 1.8
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(temp - 32.0) / 1.8`
[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/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     return temp * 1.8 + 32.0
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `temp * 1.8 + 32.0`
[INFO] [stderr]    |
[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/main.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     return line
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `line`
[INFO] [stderr]    |
[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/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     return (temp - 32.0) / 1.8
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(temp - 32.0) / 1.8`
[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/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     return temp * 1.8 + 32.0
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `temp * 1.8 + 32.0`
[INFO] [stderr]    |
[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/main.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     return line
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `line`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "3f9bf76cdd7f0b1a6d61a9ed4eaf015b3fee748eddddade54c72bef8a5816112"`
[INFO] running `"docker" "rm" "-f" "3f9bf76cdd7f0b1a6d61a9ed4eaf015b3fee748eddddade54c72bef8a5816112"`
[INFO] [stdout] 3f9bf76cdd7f0b1a6d61a9ed4eaf015b3fee748eddddade54c72bef8a5816112