[INFO] crate abomonation_derive 0.3.0 is already in cache [INFO] extracting crate abomonation_derive 0.3.0 into work/ex/clippy-test-run/sources/stable/reg/abomonation_derive/0.3.0 [INFO] extracting crate abomonation_derive 0.3.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/abomonation_derive/0.3.0 [INFO] validating manifest of abomonation_derive-0.3.0 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 abomonation_derive-0.3.0 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 abomonation_derive-0.3.0 [INFO] finished frobbing abomonation_derive-0.3.0 [INFO] frobbed toml for abomonation_derive-0.3.0 written to work/ex/clippy-test-run/sources/stable/reg/abomonation_derive/0.3.0/Cargo.toml [INFO] started frobbing abomonation_derive-0.3.0 [INFO] finished frobbing abomonation_derive-0.3.0 [INFO] frobbed toml for abomonation_derive-0.3.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/abomonation_derive/0.3.0/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 abomonation_derive-0.3.0 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/abomonation_derive/0.3.0:/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] f6b82b6d01beea6fa61c62e2f62594295eff93c32425336687f5bf42a669ac56 [INFO] running `"docker" "start" "-a" "f6b82b6d01beea6fa61c62e2f62594295eff93c32425336687f5bf42a669ac56"` [INFO] [stderr] Checking abomonation v0.5.0 [INFO] [stderr] Compiling abomonation_derive v0.3.0 (/opt/crater/workdir) [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> tests/test.rs:32:21 [INFO] [stderr] | [INFO] [stderr] 32 | assert!(rest.len() == 0); [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `rest.is_empty()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::len_zero)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> tests/test.rs:53:21 [INFO] [stderr] | [INFO] [stderr] 53 | assert!(rest.len() == 0); [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `rest.is_empty()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> tests/test.rs:74:21 [INFO] [stderr] | [INFO] [stderr] 74 | assert!(rest.len() == 0); [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `rest.is_empty()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> tests/test.rs:95:21 [INFO] [stderr] | [INFO] [stderr] 95 | assert!(rest.len() == 0); [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `rest.is_empty()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> tests/test.rs:121:21 [INFO] [stderr] | [INFO] [stderr] 121 | assert!(rest.len() == 0); [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `rest.is_empty()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] warning: length comparison to zero [INFO] [stderr] --> tests/test.rs:147:21 [INFO] [stderr] | [INFO] [stderr] 147 | assert!(rest.len() == 0); [INFO] [stderr] | ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `rest.is_empty()` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.28s [INFO] running `"docker" "inspect" "f6b82b6d01beea6fa61c62e2f62594295eff93c32425336687f5bf42a669ac56"` [INFO] running `"docker" "rm" "-f" "f6b82b6d01beea6fa61c62e2f62594295eff93c32425336687f5bf42a669ac56"` [INFO] [stdout] f6b82b6d01beea6fa61c62e2f62594295eff93c32425336687f5bf42a669ac56