[INFO] crate cordoba 0.1.0 is already in cache [INFO] extracting crate cordoba 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/cordoba/0.1.0 [INFO] extracting crate cordoba 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cordoba/0.1.0 [INFO] validating manifest of cordoba-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 cordoba-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 cordoba-0.1.0 [INFO] finished frobbing cordoba-0.1.0 [INFO] frobbed toml for cordoba-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/cordoba/0.1.0/Cargo.toml [INFO] started frobbing cordoba-0.1.0 [INFO] finished frobbing cordoba-0.1.0 [INFO] frobbed toml for cordoba-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cordoba/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 cordoba-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-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/cordoba/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] a4600aea4bae20683c1d3e76681c075c7e9b21c1d3b276fa27d3ef1414420f86 [INFO] running `"docker" "start" "-a" "a4600aea4bae20683c1d3e76681c075c7e9b21c1d3b276fa27d3ef1414420f86"` [INFO] [stderr] Checking cordoba v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait `CDBAccess` has a `len` method but no (possibly inherited) `is_empty` method [INFO] [stderr] --> src/read.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | / pub trait CDBAccess [INFO] [stderr] 10 | | where Self::Output : AsRef<[u8]> [INFO] [stderr] 11 | | { [INFO] [stderr] 12 | | type Output; [INFO] [stderr] ... | [INFO] [stderr] 21 | | fn len(&self) -> u64; [INFO] [stderr] 22 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::len_without_is_empty)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty [INFO] [stderr] [INFO] [stderr] warning: slow zero-filling initialization [INFO] [stderr] --> src/read.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 76 | let mut out = Vec::with_capacity(len); [INFO] [stderr] | ----------------------- help: consider replace allocation with: `vec![0; len]` [INFO] [stderr] 77 | out.resize(len, 0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::slow_vector_initialization)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#slow_vector_initialization [INFO] [stderr] [INFO] [stderr] warning: trait `CDBAccess` has a `len` method but no (possibly inherited) `is_empty` method [INFO] [stderr] --> src/read.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | / pub trait CDBAccess [INFO] [stderr] 10 | | where Self::Output : AsRef<[u8]> [INFO] [stderr] 11 | | { [INFO] [stderr] 12 | | type Output; [INFO] [stderr] ... | [INFO] [stderr] 21 | | fn len(&self) -> u64; [INFO] [stderr] 22 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::len_without_is_empty)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty [INFO] [stderr] [INFO] [stderr] warning: slow zero-filling initialization [INFO] [stderr] --> src/read.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 76 | let mut out = Vec::with_capacity(len); [INFO] [stderr] | ----------------------- help: consider replace allocation with: `vec![0; len]` [INFO] [stderr] 77 | out.resize(len, 0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::slow_vector_initialization)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#slow_vector_initialization [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.70s [INFO] running `"docker" "inspect" "a4600aea4bae20683c1d3e76681c075c7e9b21c1d3b276fa27d3ef1414420f86"` [INFO] running `"docker" "rm" "-f" "a4600aea4bae20683c1d3e76681c075c7e9b21c1d3b276fa27d3ef1414420f86"` [INFO] [stdout] a4600aea4bae20683c1d3e76681c075c7e9b21c1d3b276fa27d3ef1414420f86