[INFO] crate boxing-day 0.1.0 is already in cache [INFO] extracting crate boxing-day 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/boxing-day/0.1.0 [INFO] extracting crate boxing-day 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/boxing-day/0.1.0 [INFO] validating manifest of boxing-day-0.1.0 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 boxing-day-0.1.0 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 boxing-day-0.1.0 [INFO] finished frobbing boxing-day-0.1.0 [INFO] frobbed toml for boxing-day-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/boxing-day/0.1.0/Cargo.toml [INFO] started frobbing boxing-day-0.1.0 [INFO] finished frobbing boxing-day-0.1.0 [INFO] frobbed toml for boxing-day-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/boxing-day/0.1.0/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 boxing-day-0.1.0 against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/boxing-day/0.1.0:/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] 0b36db8e2ca6d441df006ca6569df5f39f6210182ef03b8630c6b02e7eacdc91 [INFO] running `"docker" "start" "-a" "0b36db8e2ca6d441df006ca6569df5f39f6210182ef03b8630c6b02e7eacdc91"` [INFO] [stderr] Checking boxing-day v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: useless use of `format!` [INFO] [stderr] --> examples/christmas.rs:24:21 [INFO] [stderr] | [INFO] [stderr] 24 | None => format!("...NOTHING! Because it's not actually boxing day!"), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"...NOTHING! Because it's not actually boxing day!".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 2.08s [INFO] running `"docker" "inspect" "0b36db8e2ca6d441df006ca6569df5f39f6210182ef03b8630c6b02e7eacdc91"` [INFO] running `"docker" "rm" "-f" "0b36db8e2ca6d441df006ca6569df5f39f6210182ef03b8630c6b02e7eacdc91"` [INFO] [stdout] 0b36db8e2ca6d441df006ca6569df5f39f6210182ef03b8630c6b02e7eacdc91