[INFO] updating cached repository BookOwl/tiny-shell
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BookOwl/tiny-shell
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BookOwl/tiny-shell" "work/ex/clippy-test-run/sources/stable/gh/BookOwl/tiny-shell"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/BookOwl/tiny-shell'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BookOwl/tiny-shell" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/BookOwl/tiny-shell"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/BookOwl/tiny-shell'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f99f25bf8030a448549a998f84b250d4eb73b3b0
[INFO] sha for GitHub repo BookOwl/tiny-shell: f99f25bf8030a448549a998f84b250d4eb73b3b0
[INFO] validating manifest of BookOwl/tiny-shell 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 BookOwl/tiny-shell 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 BookOwl/tiny-shell
[INFO] finished frobbing BookOwl/tiny-shell
[INFO] frobbed toml for BookOwl/tiny-shell written to work/ex/clippy-test-run/sources/stable/gh/BookOwl/tiny-shell/Cargo.toml
[INFO] started frobbing BookOwl/tiny-shell
[INFO] finished frobbing BookOwl/tiny-shell
[INFO] frobbed toml for BookOwl/tiny-shell written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/BookOwl/tiny-shell/Cargo.toml
[INFO] crate BookOwl/tiny-shell 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 BookOwl/tiny-shell against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/BookOwl/tiny-shell:/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] 636819dc0d25dca7dcbdcc3e530ebb936d9caf074b05a36775113f85a1312f6b
[INFO] running `"docker" "start" "-a" "636819dc0d25dca7dcbdcc3e530ebb936d9caf074b05a36775113f85a1312f6b"`
[INFO] [stderr]     Checking combine v2.5.1
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking tiny-shell v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:75:62
[INFO] [stderr]    |
[INFO] [stderr] 75 |             let handle = child.stdout.as_ref().ok_or_else(|| format!("Could not get child stdout"))?.as_raw_fd();
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Could not get child stdout".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]   --> src/main.rs:75:62
[INFO] [stderr]    |
[INFO] [stderr] 75 |             let handle = child.stdout.as_ref().ok_or_else(|| format!("Could not get child stdout"))?.as_raw_fd();
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"Could not get child stdout".to_string()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.16s
[INFO] running `"docker" "inspect" "636819dc0d25dca7dcbdcc3e530ebb936d9caf074b05a36775113f85a1312f6b"`
[INFO] running `"docker" "rm" "-f" "636819dc0d25dca7dcbdcc3e530ebb936d9caf074b05a36775113f85a1312f6b"`
[INFO] [stdout] 636819dc0d25dca7dcbdcc3e530ebb936d9caf074b05a36775113f85a1312f6b