[INFO] crate matroska 0.5.1 is already in cache
[INFO] extracting crate matroska 0.5.1 into work/ex/clippy-test-run/sources/stable/reg/matroska/0.5.1
[INFO] extracting crate matroska 0.5.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/matroska/0.5.1
[INFO] validating manifest of matroska-0.5.1 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 matroska-0.5.1 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 matroska-0.5.1
[INFO] finished frobbing matroska-0.5.1
[INFO] frobbed toml for matroska-0.5.1 written to work/ex/clippy-test-run/sources/stable/reg/matroska/0.5.1/Cargo.toml
[INFO] started frobbing matroska-0.5.1
[INFO] finished frobbing matroska-0.5.1
[INFO] frobbed toml for matroska-0.5.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/matroska/0.5.1/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 matroska-0.5.1 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/matroska/0.5.1:/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] 85be8df3fc006f57266864bbb8d065d82135657e749eecf5aa37135a0ea21ee7
[INFO] running `"docker" "start" "-a" "85be8df3fc006f57266864bbb8d065d82135657e749eecf5aa37135a0ea21ee7"`
[INFO] [stderr]     Checking bitstream-io v0.8.2
[INFO] [stderr]     Checking matroska v0.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: slow zero-filling initialization
[INFO] [stderr]    --> src/ebml.rs:271:5
[INFO] [stderr]     |
[INFO] [stderr] 270 |     let mut buf = Vec::with_capacity(size as usize);
[INFO] [stderr]     |                   --------------------------------- help: consider replace allocation with: `vec![0; size as usize]`
[INFO] [stderr] 271 |     buf.resize(size as usize, 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: slow zero-filling initialization
[INFO] [stderr]    --> src/ebml.rs:271:5
[INFO] [stderr]     |
[INFO] [stderr] 270 |     let mut buf = Vec::with_capacity(size as usize);
[INFO] [stderr]     |                   --------------------------------- help: consider replace allocation with: `vec![0; size as usize]`
[INFO] [stderr] 271 |     buf.resize(size as usize, 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 2.35s
[INFO] running `"docker" "inspect" "85be8df3fc006f57266864bbb8d065d82135657e749eecf5aa37135a0ea21ee7"`
[INFO] running `"docker" "rm" "-f" "85be8df3fc006f57266864bbb8d065d82135657e749eecf5aa37135a0ea21ee7"`
[INFO] [stdout] 85be8df3fc006f57266864bbb8d065d82135657e749eecf5aa37135a0ea21ee7