[INFO] updating cached repository krdln/rustnightlyhash
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/krdln/rustnightlyhash
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/krdln/rustnightlyhash" "work/ex/clippy-test-run/sources/stable/gh/krdln/rustnightlyhash"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/krdln/rustnightlyhash'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/krdln/rustnightlyhash" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/krdln/rustnightlyhash"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/krdln/rustnightlyhash'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 50a6c8dc1f0f5f09e539a1768274fd6df0010c47
[INFO] sha for GitHub repo krdln/rustnightlyhash: 50a6c8dc1f0f5f09e539a1768274fd6df0010c47
[INFO] validating manifest of krdln/rustnightlyhash 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 krdln/rustnightlyhash 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 krdln/rustnightlyhash
[INFO] finished frobbing krdln/rustnightlyhash
[INFO] frobbed toml for krdln/rustnightlyhash written to work/ex/clippy-test-run/sources/stable/gh/krdln/rustnightlyhash/Cargo.toml
[INFO] started frobbing krdln/rustnightlyhash
[INFO] finished frobbing krdln/rustnightlyhash
[INFO] frobbed toml for krdln/rustnightlyhash written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/krdln/rustnightlyhash/Cargo.toml
[INFO] crate krdln/rustnightlyhash 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 krdln/rustnightlyhash 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/krdln/rustnightlyhash:/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] 653cf683b07c7e4cfbbc9a20c50db58f692aef38ecf4f5f698c7d61aa652c0b4
[INFO] running `"docker" "start" "-a" "653cf683b07c7e4cfbbc9a20c50db58f692aef38ecf4f5f698c7d61aa652c0b4"`
[INFO] [stderr]    Compiling openssl v0.9.9
[INFO] [stderr]    Compiling openssl-sys v0.9.9
[INFO] [stderr]     Checking serde_json v0.9.9
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking hyper v0.10.5
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking docopt v0.7.0
[INFO] [stderr]     Checking native-tls v0.1.1
[INFO] [stderr]     Checking hyper-native-tls v0.2.2
[INFO] [stderr]     Checking rustnightlyhash v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     return None
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:43:15
[INFO] [stderr]    |
[INFO] [stderr] 43 | const USAGE: &'static str = "
[INFO] [stderr]    |              -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     return None
[INFO] [stderr]    |     ^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:43:15
[INFO] [stderr]    |
[INFO] [stderr] 43 | const USAGE: &'static str = "
[INFO] [stderr]    |              -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 | /         match p.get(0).and_then(Json::as_str) {
[INFO] [stderr] 36 | |             Some("revision") => return Some((tryo!( p.get(1).and_then(Json::as_str).map(Into::into) ), tm)),
[INFO] [stderr] 37 | |             _ => ()
[INFO] [stderr] 38 | |         }
[INFO] [stderr]    | |_________^ help: try this: `if let Some("revision") = p.get(0).and_then(Json::as_str) { return Some((tryo!( p.get(1).and_then(Json::as_str).map(Into::into) ), tm)) }`
[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] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |         assert!(range.len() > 0);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!range.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 | /         match p.get(0).and_then(Json::as_str) {
[INFO] [stderr] 36 | |             Some("revision") => return Some((tryo!( p.get(1).and_then(Json::as_str).map(Into::into) ), tm)),
[INFO] [stderr] 37 | |             _ => ()
[INFO] [stderr] 38 | |         }
[INFO] [stderr]    | |_________^ help: try this: `if let Some("revision") = p.get(0).and_then(Json::as_str) { return Some((tryo!( p.get(1).and_then(Json::as_str).map(Into::into) ), tm)) }`
[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] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/main.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |         assert!(range.len() > 0);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!range.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.94s
[INFO] running `"docker" "inspect" "653cf683b07c7e4cfbbc9a20c50db58f692aef38ecf4f5f698c7d61aa652c0b4"`
[INFO] running `"docker" "rm" "-f" "653cf683b07c7e4cfbbc9a20c50db58f692aef38ecf4f5f698c7d61aa652c0b4"`
[INFO] [stdout] 653cf683b07c7e4cfbbc9a20c50db58f692aef38ecf4f5f698c7d61aa652c0b4