[INFO] crate cargo-mod 0.1.5 is already in cache
[INFO] extracting crate cargo-mod 0.1.5 into work/ex/clippy-test-run/sources/stable/reg/cargo-mod/0.1.5
[INFO] extracting crate cargo-mod 0.1.5 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cargo-mod/0.1.5
[INFO] validating manifest of cargo-mod-0.1.5 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 cargo-mod-0.1.5 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 cargo-mod-0.1.5
[INFO] finished frobbing cargo-mod-0.1.5
[INFO] frobbed toml for cargo-mod-0.1.5 written to work/ex/clippy-test-run/sources/stable/reg/cargo-mod/0.1.5/Cargo.toml
[INFO] started frobbing cargo-mod-0.1.5
[INFO] finished frobbing cargo-mod-0.1.5
[INFO] frobbed toml for cargo-mod-0.1.5 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cargo-mod/0.1.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 cargo-mod-0.1.5 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/cargo-mod/0.1.5:/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] 3e956bfc663e865830831da983261942e0caaf35d92b5ff87f56c3de8bf391d3
[INFO] running `"docker" "start" "-a" "3e956bfc663e865830831da983261942e0caaf35d92b5ff87f56c3de8bf391d3"`
[INFO] [stderr]     Checking cargo-mod v0.1.5 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> tests/generate_modules.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     return cwd
[INFO] [stderr]    |     ^^^^^^^^^^ help: remove `return` as shown: `cwd`
[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: single-character string constant used as pattern
[INFO] [stderr]   --> tests/generate_modules.rs:50:21
[INFO] [stderr]    |
[INFO] [stderr] 50 |     if !s.ends_with("/") { s.push_str(".rs") }
[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: single-character string constant used as pattern
[INFO] [stderr]   --> tests/generate_modules.rs:52:22
[INFO] [stderr]    |
[INFO] [stderr] 52 |     for d in s.split("/") {
[INFO] [stderr]    |                      ^^^ help: try using a char instead: `'/'`
[INFO] [stderr]    |
[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 1.22s
[INFO] running `"docker" "inspect" "3e956bfc663e865830831da983261942e0caaf35d92b5ff87f56c3de8bf391d3"`
[INFO] running `"docker" "rm" "-f" "3e956bfc663e865830831da983261942e0caaf35d92b5ff87f56c3de8bf391d3"`
[INFO] [stdout] 3e956bfc663e865830831da983261942e0caaf35d92b5ff87f56c3de8bf391d3