[INFO] crate specs-mirror 0.5.0 is already in cache
[INFO] extracting crate specs-mirror 0.5.0 into work/ex/clippy-test-run/sources/stable/reg/specs-mirror/0.5.0
[INFO] extracting crate specs-mirror 0.5.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/specs-mirror/0.5.0
[INFO] validating manifest of specs-mirror-0.5.0 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 specs-mirror-0.5.0 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 specs-mirror-0.5.0
[INFO] finished frobbing specs-mirror-0.5.0
[INFO] frobbed toml for specs-mirror-0.5.0 written to work/ex/clippy-test-run/sources/stable/reg/specs-mirror/0.5.0/Cargo.toml
[INFO] started frobbing specs-mirror-0.5.0
[INFO] finished frobbing specs-mirror-0.5.0
[INFO] frobbed toml for specs-mirror-0.5.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/specs-mirror/0.5.0/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 specs-mirror-0.5.0 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/specs-mirror/0.5.0:/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] d624eba917e4c0eb1d829a20e317e5a7737c5ebca280a4ffb6ab467750eb3c6d
[INFO] running `"docker" "start" "-a" "d624eba917e4c0eb1d829a20e317e5a7737c5ebca280a4ffb6ab467750eb3c6d"`
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking shrev v1.0.1
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking shred v0.7.1
[INFO] [stderr]     Checking hibitset v0.5.4
[INFO] [stderr]     Checking specs v0.12.3
[INFO] [stderr]     Checking specs-mirror v0.5.0 (/opt/crater/workdir)
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]    --> examples/cassowary.rs:101:32
[INFO] [stderr]     |
[INFO] [stderr] 101 |         .with(Constraints(vec![var0 + 50.0 | EQ(REQUIRED) | var1]))
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `(var0 + 50.0) | EQ(REQUIRED)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::precedence)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]    --> examples/cassowary.rs:119:24
[INFO] [stderr]     |
[INFO] [stderr] 119 |         cons.add(chan, var1 * 2.0 | EQ(REQUIRED) | var0);
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `(var1 * 2.0) | EQ(REQUIRED)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: The function/method `run_now` doesn't need a mutable reference
[INFO] [stderr]    --> examples/cassowary.rs:108:17
[INFO] [stderr]     |
[INFO] [stderr] 108 |     sys.run_now(&mut world.res);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: The function/method `run_now` doesn't need a mutable reference
[INFO] [stderr]    --> examples/cassowary.rs:122:17
[INFO] [stderr]     |
[INFO] [stderr] 122 |     sys.run_now(&mut world.res);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: The function/method `run_now` doesn't need a mutable reference
[INFO] [stderr]    --> tests/mirror.rs:115:17
[INFO] [stderr]     |
[INFO] [stderr] 115 |     sys.run_now(&mut world.res);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: The function/method `run_now` doesn't need a mutable reference
[INFO] [stderr]    --> tests/mirror.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |     sys.run_now(&mut world.res);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: The function/method `run_now` doesn't need a mutable reference
[INFO] [stderr]    --> tests/mirror.rs:143:17
[INFO] [stderr]     |
[INFO] [stderr] 143 |     sys.run_now(&mut world.res);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.86s
[INFO] running `"docker" "inspect" "d624eba917e4c0eb1d829a20e317e5a7737c5ebca280a4ffb6ab467750eb3c6d"`
[INFO] running `"docker" "rm" "-f" "d624eba917e4c0eb1d829a20e317e5a7737c5ebca280a4ffb6ab467750eb3c6d"`
[INFO] [stdout] d624eba917e4c0eb1d829a20e317e5a7737c5ebca280a4ffb6ab467750eb3c6d