[INFO] crate polymap 0.3.0 is already in cache
[INFO] extracting crate polymap 0.3.0 into work/ex/clippy-test-run/sources/stable/reg/polymap/0.3.0
[INFO] extracting crate polymap 0.3.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/polymap/0.3.0
[INFO] validating manifest of polymap-0.3.0 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 polymap-0.3.0 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 polymap-0.3.0
[INFO] finished frobbing polymap-0.3.0
[INFO] frobbed toml for polymap-0.3.0 written to work/ex/clippy-test-run/sources/stable/reg/polymap/0.3.0/Cargo.toml
[INFO] started frobbing polymap-0.3.0
[INFO] finished frobbing polymap-0.3.0
[INFO] frobbed toml for polymap-0.3.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/polymap/0.3.0/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 polymap-0.3.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/polymap/0.3.0:/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] 1a94dc513b38b91536f32257bb97f72033518ccef7c3b22f3f6e58017c75b5d5
[INFO] running `"docker" "start" "-a" "1a94dc513b38b91536f32257bb97f72033518ccef7c3b22f3f6e58017c75b5d5"`
[INFO] [stderr]     Checking polymap v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/polymap.rs:328:13
[INFO] [stderr]     |
[INFO] [stderr] 328 |             entry: entry,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `entry`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/polymap.rs:396:13
[INFO] [stderr]     |
[INFO] [stderr] 396 |             entry: entry,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `entry`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/typemap.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |             entry: entry,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `entry`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/typemap.rs:285:13
[INFO] [stderr]     |
[INFO] [stderr] 285 |             entry: entry,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `entry`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/polymap.rs:328:13
[INFO] [stderr]     |
[INFO] [stderr] 328 |             entry: entry,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `entry`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/polymap.rs:396:13
[INFO] [stderr]     |
[INFO] [stderr] 396 |             entry: entry,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `entry`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/typemap.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |             entry: entry,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `entry`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/typemap.rs:285:13
[INFO] [stderr]     |
[INFO] [stderr] 285 |             entry: entry,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `entry`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/polymap.rs:542:25
[INFO] [stderr]     |
[INFO] [stderr] 542 |         map.insert("a", 0xAAAAAAAA_u32);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^ help: consider: `0xAAAA_AAAA_u32`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/polymap.rs:568:25
[INFO] [stderr]     |
[INFO] [stderr] 568 |         map.insert("a", 0x87654321_u32);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^ help: consider: `0x8765_4321_u32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/polymap.rs:569:42
[INFO] [stderr]     |
[INFO] [stderr] 569 |         assert_eq!(map.remove("a"), Some(0x87654321_u32));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^ help: consider: `0x8765_4321_u32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/polymap.rs:584:25
[INFO] [stderr]     |
[INFO] [stderr] 584 |         map.insert("a", 0xAAAAAAAA_u32);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^ help: consider: `0xAAAA_AAAA_u32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/polymap.rs:585:36
[INFO] [stderr]     |
[INFO] [stderr] 585 |         assert_eq!(map.insert("a", 0xBBBBBBBB_u32), Some(0xAAAAAAAA_u32));
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^ help: consider: `0xBBBB_BBBB_u32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/polymap.rs:585:58
[INFO] [stderr]     |
[INFO] [stderr] 585 |         assert_eq!(map.insert("a", 0xBBBBBBBB_u32), Some(0xAAAAAAAA_u32));
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^ help: consider: `0xAAAA_AAAA_u32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/polymap.rs:586:40
[INFO] [stderr]     |
[INFO] [stderr] 586 |         assert_eq!(map.get("a"), Some(&0xBBBBBBBB_u32));
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^ help: consider: `0xBBBB_BBBB_u32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/polymap.rs:588:25
[INFO] [stderr]     |
[INFO] [stderr] 588 |         map.insert("b", 0xCCCCCCCC_u32);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^ help: consider: `0xCCCC_CCCC_u32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/polymap.rs:589:42
[INFO] [stderr]     |
[INFO] [stderr] 589 |         assert_eq!(map.remove("b"), Some(0xCCCCCCCC_u32));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^ help: consider: `0xCCCC_CCCC_u32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/polymap.rs:590:36
[INFO] [stderr]     |
[INFO] [stderr] 590 |         assert_eq!(map.insert("c", 0xDDDDDDDDDDDDDDDD_u64), None);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0xDDDD_DDDD_DDDD_DDDD_u64`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/polymap.rs:597:36
[INFO] [stderr]     |
[INFO] [stderr] 597 |         assert_eq!(map.insert("a", 0x12345678_u32), None);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^ help: consider: `0x1234_5678_u32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/polymap.rs:598:36
[INFO] [stderr]     |
[INFO] [stderr] 598 |         assert_eq!(map.insert("b", 0x12345678_u32), None);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^ help: consider: `0x1234_5678_u32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/polymap.rs:599:40
[INFO] [stderr]     |
[INFO] [stderr] 599 |         assert_eq!(map.get("a"), Some(&0x12345678_u32));
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^ help: consider: `0x1234_5678_u32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/polymap.rs:600:40
[INFO] [stderr]     |
[INFO] [stderr] 600 |         assert_eq!(map.get("b"), Some(&0x12345678_u32));
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^ help: consider: `0x1234_5678_u32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/polymap.rs:533:34
[INFO] [stderr]     |
[INFO] [stderr] 533 |         let keys: HashSet<u32> = map.keys().map(|i| *i).collect();
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `map.keys().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/polymap.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `polymap`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1a94dc513b38b91536f32257bb97f72033518ccef7c3b22f3f6e58017c75b5d5"`
[INFO] running `"docker" "rm" "-f" "1a94dc513b38b91536f32257bb97f72033518ccef7c3b22f3f6e58017c75b5d5"`
[INFO] [stdout] 1a94dc513b38b91536f32257bb97f72033518ccef7c3b22f3f6e58017c75b5d5