[INFO] updating cached repository tronje/dir-prompt-helper
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tronje/dir-prompt-helper
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tronje/dir-prompt-helper" "work/ex/clippy-test-run/sources/stable/gh/tronje/dir-prompt-helper"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/tronje/dir-prompt-helper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tronje/dir-prompt-helper" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tronje/dir-prompt-helper"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tronje/dir-prompt-helper'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b8f1c993f12b74e7a4f3982053eaa295afe24f66
[INFO] sha for GitHub repo tronje/dir-prompt-helper: b8f1c993f12b74e7a4f3982053eaa295afe24f66
[INFO] validating manifest of tronje/dir-prompt-helper 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 tronje/dir-prompt-helper 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 tronje/dir-prompt-helper
[INFO] finished frobbing tronje/dir-prompt-helper
[INFO] frobbed toml for tronje/dir-prompt-helper written to work/ex/clippy-test-run/sources/stable/gh/tronje/dir-prompt-helper/Cargo.toml
[INFO] started frobbing tronje/dir-prompt-helper
[INFO] finished frobbing tronje/dir-prompt-helper
[INFO] frobbed toml for tronje/dir-prompt-helper written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/tronje/dir-prompt-helper/Cargo.toml
[INFO] crate tronje/dir-prompt-helper 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 tronje/dir-prompt-helper against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/tronje/dir-prompt-helper:/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] 152b8d484d75bfd95f783406d4f695dd72cc37bcf4421d89706ed37b6a0aa65e
[INFO] running `"docker" "start" "-a" "152b8d484d75bfd95f783406d4f695dd72cc37bcf4421d89706ed37b6a0aa65e"`
[INFO] [stderr]     Checking dir-prompt-helper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:42:35
[INFO] [stderr]    |
[INFO] [stderr] 42 |         } else if dir.starts_with(".") {
[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] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]   --> src/main.rs:44:18
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 .into_iter().collect::<String>()
[INFO] [stderr]    |                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::into_iter_on_array)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]   --> src/main.rs:47:37
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 Some(c) => ['/', c].into_iter().collect::<String>(),
[INFO] [stderr]    |                                     ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `dir-prompt-helper`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/main.rs:42:35
[INFO] [stderr]    |
[INFO] [stderr] 42 |         } else if dir.starts_with(".") {
[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] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]   --> src/main.rs:44:18
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 .into_iter().collect::<String>()
[INFO] [stderr]    |                  ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::into_iter_on_array)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
[INFO] [stderr] 
[INFO] [stderr] error: this .into_iter() call is equivalent to .iter() and will not move the array
[INFO] [stderr]   --> src/main.rs:47:37
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 Some(c) => ['/', c].into_iter().collect::<String>(),
[INFO] [stderr]    |                                     ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_array
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `dir-prompt-helper`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "152b8d484d75bfd95f783406d4f695dd72cc37bcf4421d89706ed37b6a0aa65e"`
[INFO] running `"docker" "rm" "-f" "152b8d484d75bfd95f783406d4f695dd72cc37bcf4421d89706ed37b6a0aa65e"`
[INFO] [stdout] 152b8d484d75bfd95f783406d4f695dd72cc37bcf4421d89706ed37b6a0aa65e