[INFO] crate procset 0.1.2 is already in cache
[INFO] extracting crate procset 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/procset/0.1.2
[INFO] extracting crate procset 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/procset/0.1.2
[INFO] validating manifest of procset-0.1.2 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 procset-0.1.2 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 procset-0.1.2
[INFO] finished frobbing procset-0.1.2
[INFO] frobbed toml for procset-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/procset/0.1.2/Cargo.toml
[INFO] started frobbing procset-0.1.2
[INFO] finished frobbing procset-0.1.2
[INFO] frobbed toml for procset-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/procset/0.1.2/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 procset-0.1.2 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/procset/0.1.2:/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] 763ba70984ed27e9a9c59e0daecb0eaaefe4b6510858ab0a225a77a0fff726e4
[INFO] running `"docker" "start" "-a" "763ba70984ed27e9a9c59e0daecb0eaaefe4b6510858ab0a225a77a0fff726e4"`
[INFO] [stderr]     Checking procset v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/libinterval_set/interval_set.rs:192:13
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let mut iter = self.split_whitespace();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/libinterval_set/interval_set.rs:196:34
[INFO] [stderr]     |
[INFO] [stderr] 196 |             if interval.contains("-") {
[INFO] [stderr]     |                                  ^^^ help: try using a char instead: `'-'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/libinterval_set/interval_set.rs:357:5
[INFO] [stderr]     |
[INFO] [stderr] 357 | /     pub fn iter<'a>(&'a self) -> IntervalSetIterator<'a> {
[INFO] [stderr] 358 | |         IntervalSetIterator {
[INFO] [stderr] 359 | |             inner: self,
[INFO] [stderr] 360 | |             pos: 0,
[INFO] [stderr] 361 | |         }
[INFO] [stderr] 362 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/libinterval_set/interval_set.rs:192:13
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let mut iter = self.split_whitespace();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/libinterval_set/interval_set.rs:196:34
[INFO] [stderr]     |
[INFO] [stderr] 196 |             if interval.contains("-") {
[INFO] [stderr]     |                                  ^^^ help: try using a char instead: `'-'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/libinterval_set/interval_set.rs:357:5
[INFO] [stderr]     |
[INFO] [stderr] 357 | /     pub fn iter<'a>(&'a self) -> IntervalSetIterator<'a> {
[INFO] [stderr] 358 | |         IntervalSetIterator {
[INFO] [stderr] 359 | |             inner: self,
[INFO] [stderr] 360 | |             pos: 0,
[INFO] [stderr] 361 | |         }
[INFO] [stderr] 362 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `"docker" "inspect" "763ba70984ed27e9a9c59e0daecb0eaaefe4b6510858ab0a225a77a0fff726e4"`
[INFO] running `"docker" "rm" "-f" "763ba70984ed27e9a9c59e0daecb0eaaefe4b6510858ab0a225a77a0fff726e4"`
[INFO] [stdout] 763ba70984ed27e9a9c59e0daecb0eaaefe4b6510858ab0a225a77a0fff726e4