[INFO] updating cached repository derekmorr/rust-rc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/derekmorr/rust-rc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/derekmorr/rust-rc" "work/ex/clippy-test-run/sources/stable/gh/derekmorr/rust-rc"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/derekmorr/rust-rc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/derekmorr/rust-rc" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/derekmorr/rust-rc"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/derekmorr/rust-rc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 746e1be1e4c7a2c47a43fcc33d6c738f3b4ec165
[INFO] sha for GitHub repo derekmorr/rust-rc: 746e1be1e4c7a2c47a43fcc33d6c738f3b4ec165
[INFO] validating manifest of derekmorr/rust-rc 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 derekmorr/rust-rc 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 derekmorr/rust-rc
[INFO] finished frobbing derekmorr/rust-rc
[INFO] frobbed toml for derekmorr/rust-rc written to work/ex/clippy-test-run/sources/stable/gh/derekmorr/rust-rc/Cargo.toml
[INFO] started frobbing derekmorr/rust-rc
[INFO] finished frobbing derekmorr/rust-rc
[INFO] frobbed toml for derekmorr/rust-rc written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/derekmorr/rust-rc/Cargo.toml
[INFO] crate derekmorr/rust-rc has a lockfile. skipping
[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 derekmorr/rust-rc 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/gh/derekmorr/rust-rc:/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] 8da4a64c83eb32997a9bbb91552776a7fe8665ff68225513fcf5bd98ff811091
[INFO] running `"docker" "start" "-a" "8da4a64c83eb32997a9bbb91552776a7fe8665ff68225513fcf5bd98ff811091"`
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking bytecount v0.3.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking bv v0.7.4
[INFO] [stderr]     Checking csv v1.0.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking bio v0.21.0
[INFO] [stderr]     Checking rust-rc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]   --> src/main.rs:38:49
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn format_output(str: &String, line_len: usize) -> () {
[INFO] [stderr]    |                                                 ^^^^^ help: remove the `-> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/main.rs:38:23
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn format_output(str: &String, line_len: usize) -> () {
[INFO] [stderr]    |                       ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]   --> src/main.rs:38:49
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn format_output(str: &String, line_len: usize) -> () {
[INFO] [stderr]    |                                                 ^^^^^ help: remove the `-> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/main.rs:38:23
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn format_output(str: &String, line_len: usize) -> () {
[INFO] [stderr]    |                       ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.28s
[INFO] running `"docker" "inspect" "8da4a64c83eb32997a9bbb91552776a7fe8665ff68225513fcf5bd98ff811091"`
[INFO] running `"docker" "rm" "-f" "8da4a64c83eb32997a9bbb91552776a7fe8665ff68225513fcf5bd98ff811091"`
[INFO] [stdout] 8da4a64c83eb32997a9bbb91552776a7fe8665ff68225513fcf5bd98ff811091