[INFO] crate sig 1.0.0 is already in cache
[INFO] extracting crate sig 1.0.0 into work/ex/clippy-test-run/sources/stable/reg/sig/1.0.0
[INFO] extracting crate sig 1.0.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/sig/1.0.0
[INFO] validating manifest of sig-1.0.0 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 sig-1.0.0 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 sig-1.0.0
[INFO] finished frobbing sig-1.0.0
[INFO] frobbed toml for sig-1.0.0 written to work/ex/clippy-test-run/sources/stable/reg/sig/1.0.0/Cargo.toml
[INFO] started frobbing sig-1.0.0
[INFO] finished frobbing sig-1.0.0
[INFO] frobbed toml for sig-1.0.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/sig/1.0.0/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 sig-1.0.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/sig/1.0.0:/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] 6db7fac168ffbdfb0f6fccc76aae384085c138665ed97bf2a0ced171f420b535
[INFO] running `"docker" "start" "-a" "6db7fac168ffbdfb0f6fccc76aae384085c138665ed97bf2a0ced171f420b535"`
[INFO] [stderr]     Checking sig v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: static variable `signal` should have an upper case name such as `SIGNAL`
[INFO] [stderr]   --> examples/winch.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | static mut signal: Option<i32> = None;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> examples/winch.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 | /             match signal {
[INFO] [stderr] 22 | |                 Some(sig) => {
[INFO] [stderr] 23 | |                     println!("{}", sig);
[INFO] [stderr] 24 | |                     signal = None;
[INFO] [stderr] 25 | |                 }
[INFO] [stderr] 26 | |                 None => {},
[INFO] [stderr] 27 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 21 |             if let Some(sig) = signal {
[INFO] [stderr] 22 |     println!("{}", sig);
[INFO] [stderr] 23 |     signal = None;
[INFO] [stderr] 24 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `"docker" "inspect" "6db7fac168ffbdfb0f6fccc76aae384085c138665ed97bf2a0ced171f420b535"`
[INFO] running `"docker" "rm" "-f" "6db7fac168ffbdfb0f6fccc76aae384085c138665ed97bf2a0ced171f420b535"`
[INFO] [stdout] 6db7fac168ffbdfb0f6fccc76aae384085c138665ed97bf2a0ced171f420b535