[INFO] crate multicodec 0.1.0 is already in cache
[INFO] extracting crate multicodec 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/multicodec/0.1.0
[INFO] extracting crate multicodec 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/multicodec/0.1.0
[INFO] validating manifest of multicodec-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 multicodec-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 multicodec-0.1.0
[INFO] finished frobbing multicodec-0.1.0
[INFO] frobbed toml for multicodec-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/multicodec/0.1.0/Cargo.toml
[INFO] started frobbing multicodec-0.1.0
[INFO] finished frobbing multicodec-0.1.0
[INFO] frobbed toml for multicodec-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/multicodec/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 multicodec-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-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/multicodec/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] 00584cf7ab606906b0ceb05d7fb4d61d36da4141ff47e92b5ba86129d3a49db9
[INFO] running `"docker" "start" "-a" "00584cf7ab606906b0ceb05d7fb4d61d36da4141ff47e92b5ba86129d3a49db9"`
[INFO] [stderr]     Checking unsigned-varint v0.2.1
[INFO] [stderr]     Checking multicodec v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:244:52
[INFO] [stderr]     |
[INFO] [stderr] 244 |         let (code, data) = decode_varint(packed).map_err(|e| Error::VarintFailed(e))?;
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Error::VarintFailed`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]    --> src/lib.rs:244:52
[INFO] [stderr]     |
[INFO] [stderr] 244 |         let (code, data) = decode_varint(packed).map_err(|e| Error::VarintFailed(e))?;
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove closure as shown: `Error::VarintFailed`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.50s
[INFO] running `"docker" "inspect" "00584cf7ab606906b0ceb05d7fb4d61d36da4141ff47e92b5ba86129d3a49db9"`
[INFO] running `"docker" "rm" "-f" "00584cf7ab606906b0ceb05d7fb4d61d36da4141ff47e92b5ba86129d3a49db9"`
[INFO] [stdout] 00584cf7ab606906b0ceb05d7fb4d61d36da4141ff47e92b5ba86129d3a49db9