[INFO] crate cargo-sysroot 0.4.1 is already in cache
[INFO] extracting crate cargo-sysroot 0.4.1 into work/ex/clippy-test-run/sources/stable/reg/cargo-sysroot/0.4.1
[INFO] extracting crate cargo-sysroot 0.4.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cargo-sysroot/0.4.1
[INFO] validating manifest of cargo-sysroot-0.4.1 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 cargo-sysroot-0.4.1 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 cargo-sysroot-0.4.1
[INFO] finished frobbing cargo-sysroot-0.4.1
[INFO] frobbed toml for cargo-sysroot-0.4.1 written to work/ex/clippy-test-run/sources/stable/reg/cargo-sysroot/0.4.1/Cargo.toml
[INFO] started frobbing cargo-sysroot-0.4.1
[INFO] finished frobbing cargo-sysroot-0.4.1
[INFO] frobbed toml for cargo-sysroot-0.4.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cargo-sysroot/0.4.1/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 cargo-sysroot-0.4.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/cargo-sysroot/0.4.1:/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] 312a784c65590aa56981fbb45054abb887701d6956ff91ce40e7bb9e48b8cbac
[INFO] running `"docker" "start" "-a" "312a784c65590aa56981fbb45054abb887701d6956ff91ce40e7bb9e48b8cbac"`
[INFO] [stderr]     Checking cargo-sysroot v0.4.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |             target: target,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `target`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:96:13
[INFO] [stderr]    |
[INFO] [stderr] 96 |             target: target,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `target`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/main.rs:112:28
[INFO] [stderr]     |
[INFO] [stderr] 112 |             Some(fs) => fs.into_iter().collect(),
[INFO] [stderr]     |                            ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 format!("{}", cfg.local_sysroot.to_str().unwrap()),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `cfg.local_sysroot.to_str().unwrap().to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/main.rs:112:28
[INFO] [stderr]     |
[INFO] [stderr] 112 |             Some(fs) => fs.into_iter().collect(),
[INFO] [stderr]     |                            ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `format!`
[INFO] [stderr]    --> src/main.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 format!("{}", cfg.local_sysroot.to_str().unwrap()),
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `cfg.local_sysroot.to_str().unwrap().to_string()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_format)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `"docker" "inspect" "312a784c65590aa56981fbb45054abb887701d6956ff91ce40e7bb9e48b8cbac"`
[INFO] running `"docker" "rm" "-f" "312a784c65590aa56981fbb45054abb887701d6956ff91ce40e7bb9e48b8cbac"`
[INFO] [stdout] 312a784c65590aa56981fbb45054abb887701d6956ff91ce40e7bb9e48b8cbac