[INFO] crate checkmail 0.1.1 is already in cache [INFO] extracting crate checkmail 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/checkmail/0.1.1 [INFO] extracting crate checkmail 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/checkmail/0.1.1 [INFO] validating manifest of checkmail-0.1.1 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 checkmail-0.1.1 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 checkmail-0.1.1 [INFO] finished frobbing checkmail-0.1.1 [INFO] frobbed toml for checkmail-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/checkmail/0.1.1/Cargo.toml [INFO] started frobbing checkmail-0.1.1 [INFO] finished frobbing checkmail-0.1.1 [INFO] frobbed toml for checkmail-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/checkmail/0.1.1/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 checkmail-0.1.1 against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/checkmail/0.1.1:/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] a41ac333e862fecd206a6c6bcda8163c2f3777fb0a1a9301be76121057808eca [INFO] running `"docker" "start" "-a" "a41ac333e862fecd206a6c6bcda8163c2f3777fb0a1a9301be76121057808eca"` [INFO] [stderr] Checking checkmail v0.1.1 (/opt/crater/workdir) [INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do. [INFO] [stderr] --> src/lib.rs:17:30 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn validate_email(email: &String) -> bool { [INFO] [stderr] | ^^^^^^^ help: change this to: `&str` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::ptr_arg)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] [INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do. [INFO] [stderr] --> src/lib.rs:17:30 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn validate_email(email: &String) -> bool { [INFO] [stderr] | ^^^^^^^ help: change this to: `&str` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::ptr_arg)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.24s [INFO] running `"docker" "inspect" "a41ac333e862fecd206a6c6bcda8163c2f3777fb0a1a9301be76121057808eca"` [INFO] running `"docker" "rm" "-f" "a41ac333e862fecd206a6c6bcda8163c2f3777fb0a1a9301be76121057808eca"` [INFO] [stdout] a41ac333e862fecd206a6c6bcda8163c2f3777fb0a1a9301be76121057808eca