[INFO] crate hamt-rs 0.3.0 is already in cache
[INFO] extracting crate hamt-rs 0.3.0 into work/ex/clippy-test-run/sources/stable/reg/hamt-rs/0.3.0
[INFO] extracting crate hamt-rs 0.3.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/hamt-rs/0.3.0
[INFO] validating manifest of hamt-rs-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 hamt-rs-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 hamt-rs-0.3.0
[INFO] finished frobbing hamt-rs-0.3.0
[INFO] frobbed toml for hamt-rs-0.3.0 written to work/ex/clippy-test-run/sources/stable/reg/hamt-rs/0.3.0/Cargo.toml
[INFO] started frobbing hamt-rs-0.3.0
[INFO] finished frobbing hamt-rs-0.3.0
[INFO] frobbed toml for hamt-rs-0.3.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/hamt-rs/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 hamt-rs-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-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/hamt-rs/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] 26d0c0b680940e527b8d88f1d6e94988a57fc1ece08d7070bf05137df43dee47
[INFO] running `"docker" "start" "-a" "26d0c0b680940e527b8d88f1d6e94988a57fc1ece08d7070bf05137df43dee47"`
[INFO] [stderr]     Checking hamt-rs v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> src/hamt.rs:1243:21
[INFO] [stderr]      |
[INFO] [stderr] 1243 |                     root: root,
[INFO] [stderr]      |                     ^^^^^^^^^^ help: replace it with: `root`
[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/hamt.rs:1265:17
[INFO] [stderr]      |
[INFO] [stderr] 1265 |                 root: root,
[INFO] [stderr]      |                 ^^^^^^^^^^ help: replace it with: `root`
[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/item_store.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |             key: key,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `key`
[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/item_store.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |             val: val
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `val`
[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/hamt.rs:1243:21
[INFO] [stderr]      |
[INFO] [stderr] 1243 |                     root: root,
[INFO] [stderr]      |                     ^^^^^^^^^^ help: replace it with: `root`
[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/hamt.rs:1265:17
[INFO] [stderr]      |
[INFO] [stderr] 1265 |                 root: root,
[INFO] [stderr]      |                 ^^^^^^^^^^ help: replace it with: `root`
[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/item_store.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |             key: key,
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `key`
[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/item_store.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |             val: val
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `val`
[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: unneeded return statement
[INFO] [stderr]    --> src/hamt.rs:665:9
[INFO] [stderr]     |
[INFO] [stderr] 665 |         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: Variant name ends with the enum's name
[INFO] [stderr]    --> src/hamt.rs:790:13
[INFO] [stderr]     |
[INFO] [stderr] 790 |             NoAction,
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::enum_variant_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#enum_variant_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/hamt.rs:981:9
[INFO] [stderr]     |
[INFO] [stderr] 981 |         return new_node_ref;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `new_node_ref`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]     --> src/hamt.rs:1011:54
[INFO] [stderr]      |
[INFO] [stderr] 1011 |                     let type_mask_up_to_index: u64 = 0xFFFFFFFFFFFFFFFFu64 << ((index + 1) * 2);
[INFO] [stderr]      |                                                      ^^^^^^^^^^^^^^^^^^^^^ help: consider: `0xFFFF_FFFF_FFFF_FFFFu64`
[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: unneeded return statement
[INFO] [stderr]     --> src/hamt.rs:1064:9
[INFO] [stderr]      |
[INFO] [stderr] 1064 |         return new_node_ref;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `new_node_ref`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]     --> src/hamt.rs:1086:50
[INFO] [stderr]      |
[INFO] [stderr] 1086 |                 let type_mask_up_to_index: u64 = 0xFFFFFFFFFFFFFFFFu64 << ((index + 1) * 2);
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^^^^^^^^^ help: consider: `0xFFFF_FFFF_FFFF_FFFFu64`
[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/hamt.rs:1222:35
[INFO] [stderr]      |
[INFO] [stderr] 1222 |         let mut insertion_count = 0xdeadbeaf;
[INFO] [stderr]      |                                   ^^^^^^^^^^ help: consider: `0xdead_beaf`
[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/hamt.rs:1231:42
[INFO] [stderr]      |
[INFO] [stderr] 1231 |         debug_assert!(insertion_count != 0xdeadbeaf);
[INFO] [stderr]      |                                          ^^^^^^^^^^ help: consider: `0xdead_beaf`
[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/hamt.rs:1254:33
[INFO] [stderr]      |
[INFO] [stderr] 1254 |         let mut removal_count = 0xdeadbeaf;
[INFO] [stderr]      |                                 ^^^^^^^^^^ help: consider: `0xdead_beaf`
[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/hamt.rs:1260:40
[INFO] [stderr]      |
[INFO] [stderr] 1260 |         debug_assert!(removal_count != 0xdeadbeaf);
[INFO] [stderr]      |                                        ^^^^^^^^^^ help: consider: `0xdead_beaf`
[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: unneeded return statement
[INFO] [stderr]     --> src/hamt.rs:1516:25
[INFO] [stderr]      |
[INFO] [stderr] 1516 |                         return Some((item_ref.key(), item_ref.val()));
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((item_ref.key(), item_ref.val()))`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]     --> src/hamt.rs:1523:25
[INFO] [stderr]      |
[INFO] [stderr] 1523 |                         return Some((item.key(), item.val()));
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((item.key(), item.val()))`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]     --> src/hamt.rs:1528:25
[INFO] [stderr]      |
[INFO] [stderr] 1528 |                         return self.next();
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.next()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]     --> src/hamt.rs:1539:17
[INFO] [stderr]      |
[INFO] [stderr] 1539 |                 return Some((item.key(), item.val()));
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((item.key(), item.val()))`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/hamt.rs:665:9
[INFO] [stderr]     |
[INFO] [stderr] 665 |         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: Variant name ends with the enum's name
[INFO] [stderr]    --> src/hamt.rs:790:13
[INFO] [stderr]     |
[INFO] [stderr] 790 |             NoAction,
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::enum_variant_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#enum_variant_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/hamt.rs:981:9
[INFO] [stderr]     |
[INFO] [stderr] 981 |         return new_node_ref;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `new_node_ref`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]     --> src/hamt.rs:1011:54
[INFO] [stderr]      |
[INFO] [stderr] 1011 |                     let type_mask_up_to_index: u64 = 0xFFFFFFFFFFFFFFFFu64 << ((index + 1) * 2);
[INFO] [stderr]      |                                                      ^^^^^^^^^^^^^^^^^^^^^ help: consider: `0xFFFF_FFFF_FFFF_FFFFu64`
[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: unneeded return statement
[INFO] [stderr]     --> src/hamt.rs:1064:9
[INFO] [stderr]      |
[INFO] [stderr] 1064 |         return new_node_ref;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `new_node_ref`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]     --> src/hamt.rs:1086:50
[INFO] [stderr]      |
[INFO] [stderr] 1086 |                 let type_mask_up_to_index: u64 = 0xFFFFFFFFFFFFFFFFu64 << ((index + 1) * 2);
[INFO] [stderr]      |                                                  ^^^^^^^^^^^^^^^^^^^^^ help: consider: `0xFFFF_FFFF_FFFF_FFFFu64`
[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/hamt.rs:1222:35
[INFO] [stderr]      |
[INFO] [stderr] 1222 |         let mut insertion_count = 0xdeadbeaf;
[INFO] [stderr]      |                                   ^^^^^^^^^^ help: consider: `0xdead_beaf`
[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/hamt.rs:1231:42
[INFO] [stderr]      |
[INFO] [stderr] 1231 |         debug_assert!(insertion_count != 0xdeadbeaf);
[INFO] [stderr]      |                                          ^^^^^^^^^^ help: consider: `0xdead_beaf`
[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/hamt.rs:1254:33
[INFO] [stderr]      |
[INFO] [stderr] 1254 |         let mut removal_count = 0xdeadbeaf;
[INFO] [stderr]      |                                 ^^^^^^^^^^ help: consider: `0xdead_beaf`
[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/hamt.rs:1260:40
[INFO] [stderr]      |
[INFO] [stderr] 1260 |         debug_assert!(removal_count != 0xdeadbeaf);
[INFO] [stderr]      |                                        ^^^^^^^^^^ help: consider: `0xdead_beaf`
[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: unneeded return statement
[INFO] [stderr]     --> src/hamt.rs:1516:25
[INFO] [stderr]      |
[INFO] [stderr] 1516 |                         return Some((item_ref.key(), item_ref.val()));
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((item_ref.key(), item_ref.val()))`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]     --> src/hamt.rs:1523:25
[INFO] [stderr]      |
[INFO] [stderr] 1523 |                         return Some((item.key(), item.val()));
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((item.key(), item.val()))`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]     --> src/hamt.rs:1528:25
[INFO] [stderr]      |
[INFO] [stderr] 1528 |                         return self.next();
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.next()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]     --> src/hamt.rs:1539:17
[INFO] [stderr]      |
[INFO] [stderr] 1539 |                 return Some((item.key(), item.val()));
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((item.key(), item.val()))`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]     --> src/hamt.rs:1601:30
[INFO] [stderr]      |
[INFO] [stderr] 1601 |         assert_eq!(get_index(0b00000000000000000000000000000001, 0), 0);
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0000_0000_0000_0000_0000_0000_0000_0001`
[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/hamt.rs:1602:30
[INFO] [stderr]      |
[INFO] [stderr] 1602 |         assert_eq!(get_index(0b00000000000000000000000000000010, 1), 0);
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0000_0000_0000_0000_0000_0000_0000_0010`
[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/hamt.rs:1603:30
[INFO] [stderr]      |
[INFO] [stderr] 1603 |         assert_eq!(get_index(0b00000000000000000000000000000100, 2), 0);
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0000_0000_0000_0000_0000_0000_0000_0100`
[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/hamt.rs:1604:30
[INFO] [stderr]      |
[INFO] [stderr] 1604 |         assert_eq!(get_index(0b10000000000000000000000000000000, 31), 0);
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b1000_0000_0000_0000_0000_0000_0000_0000`
[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/hamt.rs:1606:30
[INFO] [stderr]      |
[INFO] [stderr] 1606 |         assert_eq!(get_index(0b00000000000000000000000000101010, 1), 0);
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0000_0000_0000_0000_0000_0000_0010_1010`
[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/hamt.rs:1607:30
[INFO] [stderr]      |
[INFO] [stderr] 1607 |         assert_eq!(get_index(0b00000000000000000000000000101010, 3), 1);
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0000_0000_0000_0000_0000_0000_0010_1010`
[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/hamt.rs:1608:30
[INFO] [stderr]      |
[INFO] [stderr] 1608 |         assert_eq!(get_index(0b00000000000000000000000000101010, 5), 2);
[INFO] [stderr]      |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0000_0000_0000_0000_0000_0000_0010_1010`
[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/testing.rs:198:23
[INFO] [stderr]     |
[INFO] [stderr] 198 |         for _ in 0 .. 5000000usize {
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: consider: `5_000_000usize`
[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: transmute from a pointer type (`*mut hamt::UnsafeNode<K, V, IS, H>`) to a reference type (`&'a hamt::UnsafeNode<K, V, IS, H>`)
[INFO] [stderr]   --> src/hamt.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |             mem::transmute(self.ptr)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*self.ptr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::transmute_ptr_to_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut hamt::UnsafeNode<K, V, IS, H>`) to a reference type (`&'a mut hamt::UnsafeNode<K, V, IS, H>`)
[INFO] [stderr]   --> src/hamt.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |             mem::transmute(self.ptr)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *self.ptr`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[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/hamt.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 | /     fn try_borrow_owned<'a>(&'a mut self) -> BorrowedNodeRef<'a, K, V, IS, H> {
[INFO] [stderr] 84 | |         unsafe {
[INFO] [stderr] 85 | |             if (*self.ptr).ref_count.load(Ordering::Acquire) == 1 {
[INFO] [stderr] 86 | |                 BorrowedNodeRef::Exclusive(mem::transmute(self.ptr))
[INFO] [stderr] ...  |
[INFO] [stderr] 90 | |         }
[INFO] [stderr] 91 | |     }
[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: transmute from a pointer type (`*mut hamt::UnsafeNode<K, V, IS, H>`) to a reference type (`&'a mut hamt::UnsafeNode<K, V, IS, H>`)
[INFO] [stderr]   --> src/hamt.rs:86:44
[INFO] [stderr]    |
[INFO] [stderr] 86 |                 BorrowedNodeRef::Exclusive(mem::transmute(self.ptr))
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *self.ptr`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut hamt::UnsafeNode<K, V, IS, H>`) to a reference type (`&'a hamt::UnsafeNode<K, V, IS, H>`)
[INFO] [stderr]   --> src/hamt.rs:88:41
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 BorrowedNodeRef::Shared(mem::transmute(self.ptr))
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*self.ptr`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut hamt::UnsafeNode<K, V, IS, H>`) to a reference type (`&mut hamt::UnsafeNode<K, V, IS, H>`)
[INFO] [stderr]   --> src/hamt.rs:97:54
[INFO] [stderr]    |
[INFO] [stderr] 97 |             let node: &mut UnsafeNode<K, V, IS, H> = mem::transmute(self.ptr);
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *self.ptr`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut hamt::UnsafeNode<K, V, IS, H>`) to a reference type (`&mut hamt::UnsafeNode<K, V, IS, H>`)
[INFO] [stderr]    --> src/hamt.rs:110:54
[INFO] [stderr]     |
[INFO] [stderr] 110 |             let node: &mut UnsafeNode<K, V, IS, H> = mem::transmute(self.ptr);
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *self.ptr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a pointer
[INFO] [stderr]    --> src/hamt.rs:263:35
[INFO] [stderr]     |
[INFO] [stderr] 263 |             let base: *const u8 = mem::transmute(&self.__entries);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&self.__entries as *const [hamt::AlignmentStruct<K, V, IS, H>; 0] as *const u8`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_transmute)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/hamt.rs:264:13
[INFO] [stderr]     |
[INFO] [stderr] 264 |             base.offset((index * UnsafeNode::<K, V, IS, H>::node_entry_size()) as isize)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `base.add((index * UnsafeNode::<K, V, IS, H>::node_entry_size()))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_offset_with_cast)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*const u8`) to a reference type (`&'a IS`)
[INFO] [stderr]    --> src/hamt.rs:274:49
[INFO] [stderr]     |
[INFO] [stderr] 274 |                 KVP_ENTRY => NodeEntryRef::Item(mem::transmute(entry_ptr)),
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(entry_ptr as *const IS)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*const u8`) to a reference type (`&'a hamt::NodeRef<K, V, IS, H>`)
[INFO] [stderr]    --> src/hamt.rs:275:56
[INFO] [stderr]     |
[INFO] [stderr] 275 |                 SUBTREE_ENTRY => NodeEntryRef::SubTree(mem::transmute(entry_ptr)),
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(entry_ptr as *const hamt::NodeRef<K, V, IS, H>)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*const u8`) to a reference type (`&'a std::sync::Arc<std::vec::Vec<IS>>`)
[INFO] [stderr]    --> src/hamt.rs:276:60
[INFO] [stderr]     |
[INFO] [stderr] 276 |                 COLLISION_ENTRY => NodeEntryRef::Collision(mem::transmute(entry_ptr)),
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(entry_ptr as *const std::sync::Arc<std::vec::Vec<IS>>)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*const u8`) to a reference type (`&'a mut IS`)
[INFO] [stderr]    --> src/hamt.rs:288:52
[INFO] [stderr]     |
[INFO] [stderr] 288 |                 KVP_ENTRY => NodeEntryMutRef::Item(mem::transmute(entry_ptr)),
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(entry_ptr as *mut IS)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*const u8`) to a reference type (`&'a mut hamt::NodeRef<K, V, IS, H>`)
[INFO] [stderr]    --> src/hamt.rs:289:59
[INFO] [stderr]     |
[INFO] [stderr] 289 |                 SUBTREE_ENTRY => NodeEntryMutRef::SubTree(mem::transmute(entry_ptr)),
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(entry_ptr as *mut hamt::NodeRef<K, V, IS, H>)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*const u8`) to a reference type (`&'a mut std::sync::Arc<std::vec::Vec<IS>>`)
[INFO] [stderr]    --> src/hamt.rs:290:63
[INFO] [stderr]     |
[INFO] [stderr] 290 |                 COLLISION_ENTRY => NodeEntryMutRef::Collision(mem::transmute(entry_ptr)),
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(entry_ptr as *mut std::sync::Arc<std::vec::Vec<IS>>)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer to a pointer
[INFO] [stderr]    --> src/hamt.rs:305:32
[INFO] [stderr]     |
[INFO] [stderr] 305 |                     ptr::write(mem::transmute(entry_ptr), kvp);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `entry_ptr as *mut IS`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::transmute_ptr_to_ptr)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer to a pointer
[INFO] [stderr]    --> src/hamt.rs:309:32
[INFO] [stderr]     |
[INFO] [stderr] 309 |                     ptr::write(mem::transmute(entry_ptr), node_ref);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `entry_ptr as *mut hamt::NodeRef<K, V, IS, H>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer to a pointer
[INFO] [stderr]    --> src/hamt.rs:313:32
[INFO] [stderr]     |
[INFO] [stderr] 313 |                     ptr::write(mem::transmute(entry_ptr), arc);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `entry_ptr as *mut std::sync::Arc<std::vec::Vec<IS>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer to a pointer
[INFO] [stderr]    --> src/hamt.rs:362:58
[INFO] [stderr]     |
[INFO] [stderr] 362 |             let node_ptr: *mut UnsafeNode<K, V, IS, H> = mem::transmute(allocate(node_size, align));
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `allocate(node_size, align) as *mut hamt::UnsafeNode<K, V, IS, H>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a pointer
[INFO] [stderr]    --> src/hamt.rs:385:24
[INFO] [stderr]     |
[INFO] [stderr] 385 |             deallocate(mem::transmute(self), node_size, align);
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^ help: try: `self as *mut hamt::UnsafeNode<K, V, IS, H> as *mut u8`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[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/hamt.rs:656:9
[INFO] [stderr]     |
[INFO] [stderr] 656 | /         match new_entry {
[INFO] [stderr] 657 | |             Some(e) => {
[INFO] [stderr] 658 | |                 self.insert_entry_in_place(local_key, e);
[INFO] [stderr] 659 | |             }
[INFO] [stderr] ...   |
[INFO] [stderr] 662 | |             }
[INFO] [stderr] 663 | |         }
[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] 656 |         if let Some(e) = new_entry {
[INFO] [stderr] 657 |     self.insert_entry_in_place(local_key, e);
[INFO] [stderr] 658 | }
[INFO] [stderr]     |
[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/hamt.rs:923:13
[INFO] [stderr]     |
[INFO] [stderr] 923 | /             match self.get_entry(other_index) {
[INFO] [stderr] 924 | |                 NodeEntryRef::Item(kvp_ref) => {
[INFO] [stderr] 925 | |                     return RemovalResult::CollapseSubTree(kvp_ref.clone())
[INFO] [stderr] 926 | |                 }
[INFO] [stderr] 927 | |                 _ => { /* */ }
[INFO] [stderr] 928 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[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] 923 |             if let NodeEntryRef::Item(kvp_ref) = self.get_entry(other_index) {
[INFO] [stderr] 924 |     return RemovalResult::CollapseSubTree(kvp_ref.clone())
[INFO] [stderr] 925 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer to a pointer
[INFO] [stderr]     --> src/hamt.rs:1005:41
[INFO] [stderr]      |
[INFO] [stderr] 1005 |                       let dest: *mut u8 = mem::transmute(
[INFO] [stderr]      |  _________________________________________^
[INFO] [stderr] 1006 | |                         source.offset(UnsafeNode::<K, V, IS, H>::node_entry_size() as isize));
[INFO] [stderr]      | |_____________________________________________________________________________________________^ help: try: `source.offset(UnsafeNode::<K, V, IS, H>::node_entry_size() as isize) as *mut u8`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]     --> src/hamt.rs:1006:25
[INFO] [stderr]      |
[INFO] [stderr] 1006 |                         source.offset(UnsafeNode::<K, V, IS, H>::node_entry_size() as isize));
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `source.add(UnsafeNode::<K, V, IS, H>::node_entry_size())`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer to a pointer
[INFO] [stderr]     --> src/hamt.rs:1079:37
[INFO] [stderr]      |
[INFO] [stderr] 1079 |                   let dest: *mut u8 = mem::transmute(
[INFO] [stderr]      |  _____________________________________^
[INFO] [stderr] 1080 | |                     source.offset(-(UnsafeNode::<K, V, IS, H>::node_entry_size() as isize))
[INFO] [stderr] 1081 | |                     );
[INFO] [stderr]      | |_____________________^ help: try: `source.offset(-(UnsafeNode::<K, V, IS, H>::node_entry_size() as isize)) as *mut u8`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: item `hamt::HamtMap<K, V, IS, H>` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]     --> src/hamt.rs:1161:1
[INFO] [stderr]      |
[INFO] [stderr] 1161 | / impl<K, V, IS, H> HamtMap<K, V, IS, H>
[INFO] [stderr] 1162 | |     where K: Eq+Send+Sync+Hash,
[INFO] [stderr] 1163 | |           V: Send+Sync,
[INFO] [stderr] 1164 | |           IS: ItemStore<K, V>,
[INFO] [stderr] ...    |
[INFO] [stderr] 1324 | |     }
[INFO] [stderr] 1325 | | }
[INFO] [stderr]      | |_^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[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/hamt.rs:1174:5
[INFO] [stderr]      |
[INFO] [stderr] 1174 | /     pub fn iter<'a>(&'a self) -> HamtMapIterator<'a, K, V, IS, H> {
[INFO] [stderr] 1175 | |         HamtMapIterator::new(self)
[INFO] [stderr] 1176 | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]     --> src/hamt.rs:1212:21
[INFO] [stderr]      |
[INFO] [stderr] 1212 |                     hash = hash >> BITS_PER_LEVEL;
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `hash >>= BITS_PER_LEVEL`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]     --> src/hamt.rs:1392:5
[INFO] [stderr]      |
[INFO] [stderr] 1392 | /     fn ne(&self, other: &HamtMap<K, V, IS, H>) -> bool {
[INFO] [stderr] 1393 | |         !(*self == *other)
[INFO] [stderr] 1394 | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::partialeq_ne_impl)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[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/item_store.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn key<'a>(&'a self) -> &'a K;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[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/item_store.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn val<'a>(&'a self) -> &'a V;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[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/item_store.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn key<'a>(&'a self) -> &'a K { &self.key }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[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/item_store.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn val<'a>(&'a self) -> &'a V { &self.val }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[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/item_store.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn key<'a>(&'a self) -> &'a K { &self.store.0 }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[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/item_store.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn val<'a>(&'a self) -> &'a V { &self.store.1 }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut hamt::UnsafeNode<K, V, IS, H>`) to a reference type (`&'a hamt::UnsafeNode<K, V, IS, H>`)
[INFO] [stderr]   --> src/hamt.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |             mem::transmute(self.ptr)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*self.ptr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::transmute_ptr_to_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut hamt::UnsafeNode<K, V, IS, H>`) to a reference type (`&'a mut hamt::UnsafeNode<K, V, IS, H>`)
[INFO] [stderr]   --> src/hamt.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |             mem::transmute(self.ptr)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *self.ptr`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[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/hamt.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 | /     fn try_borrow_owned<'a>(&'a mut self) -> BorrowedNodeRef<'a, K, V, IS, H> {
[INFO] [stderr] 84 | |         unsafe {
[INFO] [stderr] 85 | |             if (*self.ptr).ref_count.load(Ordering::Acquire) == 1 {
[INFO] [stderr] 86 | |                 BorrowedNodeRef::Exclusive(mem::transmute(self.ptr))
[INFO] [stderr] ...  |
[INFO] [stderr] 90 | |         }
[INFO] [stderr] 91 | |     }
[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: transmute from a pointer type (`*mut hamt::UnsafeNode<K, V, IS, H>`) to a reference type (`&'a mut hamt::UnsafeNode<K, V, IS, H>`)
[INFO] [stderr]   --> src/hamt.rs:86:44
[INFO] [stderr]    |
[INFO] [stderr] 86 |                 BorrowedNodeRef::Exclusive(mem::transmute(self.ptr))
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *self.ptr`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut hamt::UnsafeNode<K, V, IS, H>`) to a reference type (`&'a hamt::UnsafeNode<K, V, IS, H>`)
[INFO] [stderr]   --> src/hamt.rs:88:41
[INFO] [stderr]    |
[INFO] [stderr] 88 |                 BorrowedNodeRef::Shared(mem::transmute(self.ptr))
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*self.ptr`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut hamt::UnsafeNode<K, V, IS, H>`) to a reference type (`&mut hamt::UnsafeNode<K, V, IS, H>`)
[INFO] [stderr]   --> src/hamt.rs:97:54
[INFO] [stderr]    |
[INFO] [stderr] 97 |             let node: &mut UnsafeNode<K, V, IS, H> = mem::transmute(self.ptr);
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *self.ptr`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut hamt::UnsafeNode<K, V, IS, H>`) to a reference type (`&mut hamt::UnsafeNode<K, V, IS, H>`)
[INFO] [stderr]    --> src/hamt.rs:110:54
[INFO] [stderr]     |
[INFO] [stderr] 110 |             let node: &mut UnsafeNode<K, V, IS, H> = mem::transmute(self.ptr);
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *self.ptr`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a pointer
[INFO] [stderr]    --> src/hamt.rs:263:35
[INFO] [stderr]     |
[INFO] [stderr] 263 |             let base: *const u8 = mem::transmute(&self.__entries);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&self.__entries as *const [hamt::AlignmentStruct<K, V, IS, H>; 0] as *const u8`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_transmute)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/hamt.rs:264:13
[INFO] [stderr]     |
[INFO] [stderr] 264 |             base.offset((index * UnsafeNode::<K, V, IS, H>::node_entry_size()) as isize)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `base.add((index * UnsafeNode::<K, V, IS, H>::node_entry_size()))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_offset_with_cast)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*const u8`) to a reference type (`&'a IS`)
[INFO] [stderr]    --> src/hamt.rs:274:49
[INFO] [stderr]     |
[INFO] [stderr] 274 |                 KVP_ENTRY => NodeEntryRef::Item(mem::transmute(entry_ptr)),
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(entry_ptr as *const IS)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*const u8`) to a reference type (`&'a hamt::NodeRef<K, V, IS, H>`)
[INFO] [stderr]    --> src/hamt.rs:275:56
[INFO] [stderr]     |
[INFO] [stderr] 275 |                 SUBTREE_ENTRY => NodeEntryRef::SubTree(mem::transmute(entry_ptr)),
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(entry_ptr as *const hamt::NodeRef<K, V, IS, H>)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*const u8`) to a reference type (`&'a std::sync::Arc<std::vec::Vec<IS>>`)
[INFO] [stderr]    --> src/hamt.rs:276:60
[INFO] [stderr]     |
[INFO] [stderr] 276 |                 COLLISION_ENTRY => NodeEntryRef::Collision(mem::transmute(entry_ptr)),
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(entry_ptr as *const std::sync::Arc<std::vec::Vec<IS>>)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*const u8`) to a reference type (`&'a mut IS`)
[INFO] [stderr]    --> src/hamt.rs:288:52
[INFO] [stderr]     |
[INFO] [stderr] 288 |                 KVP_ENTRY => NodeEntryMutRef::Item(mem::transmute(entry_ptr)),
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(entry_ptr as *mut IS)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*const u8`) to a reference type (`&'a mut hamt::NodeRef<K, V, IS, H>`)
[INFO] [stderr]    --> src/hamt.rs:289:59
[INFO] [stderr]     |
[INFO] [stderr] 289 |                 SUBTREE_ENTRY => NodeEntryMutRef::SubTree(mem::transmute(entry_ptr)),
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(entry_ptr as *mut hamt::NodeRef<K, V, IS, H>)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*const u8`) to a reference type (`&'a mut std::sync::Arc<std::vec::Vec<IS>>`)
[INFO] [stderr]    --> src/hamt.rs:290:63
[INFO] [stderr]     |
[INFO] [stderr] 290 |                 COLLISION_ENTRY => NodeEntryMutRef::Collision(mem::transmute(entry_ptr)),
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(entry_ptr as *mut std::sync::Arc<std::vec::Vec<IS>>)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer to a pointer
[INFO] [stderr]    --> src/hamt.rs:305:32
[INFO] [stderr]     |
[INFO] [stderr] 305 |                     ptr::write(mem::transmute(entry_ptr), kvp);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `entry_ptr as *mut IS`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::transmute_ptr_to_ptr)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer to a pointer
[INFO] [stderr]    --> src/hamt.rs:309:32
[INFO] [stderr]     |
[INFO] [stderr] 309 |                     ptr::write(mem::transmute(entry_ptr), node_ref);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `entry_ptr as *mut hamt::NodeRef<K, V, IS, H>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer to a pointer
[INFO] [stderr]    --> src/hamt.rs:313:32
[INFO] [stderr]     |
[INFO] [stderr] 313 |                     ptr::write(mem::transmute(entry_ptr), arc);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `entry_ptr as *mut std::sync::Arc<std::vec::Vec<IS>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer to a pointer
[INFO] [stderr]    --> src/hamt.rs:362:58
[INFO] [stderr]     |
[INFO] [stderr] 362 |             let node_ptr: *mut UnsafeNode<K, V, IS, H> = mem::transmute(allocate(node_size, align));
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `allocate(node_size, align) as *mut hamt::UnsafeNode<K, V, IS, H>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a pointer
[INFO] [stderr]    --> src/hamt.rs:385:24
[INFO] [stderr]     |
[INFO] [stderr] 385 |             deallocate(mem::transmute(self), node_size, align);
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^ help: try: `self as *mut hamt::UnsafeNode<K, V, IS, H> as *mut u8`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[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/hamt.rs:656:9
[INFO] [stderr]     |
[INFO] [stderr] 656 | /         match new_entry {
[INFO] [stderr] 657 | |             Some(e) => {
[INFO] [stderr] 658 | |                 self.insert_entry_in_place(local_key, e);
[INFO] [stderr] 659 | |             }
[INFO] [stderr] ...   |
[INFO] [stderr] 662 | |             }
[INFO] [stderr] 663 | |         }
[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] 656 |         if let Some(e) = new_entry {
[INFO] [stderr] 657 |     self.insert_entry_in_place(local_key, e);
[INFO] [stderr] 658 | }
[INFO] [stderr]     |
[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/hamt.rs:923:13
[INFO] [stderr]     |
[INFO] [stderr] 923 | /             match self.get_entry(other_index) {
[INFO] [stderr] 924 | |                 NodeEntryRef::Item(kvp_ref) => {
[INFO] [stderr] 925 | |                     return RemovalResult::CollapseSubTree(kvp_ref.clone())
[INFO] [stderr] 926 | |                 }
[INFO] [stderr] 927 | |                 _ => { /* */ }
[INFO] [stderr] 928 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[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] 923 |             if let NodeEntryRef::Item(kvp_ref) = self.get_entry(other_index) {
[INFO] [stderr] 924 |     return RemovalResult::CollapseSubTree(kvp_ref.clone())
[INFO] [stderr] 925 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer to a pointer
[INFO] [stderr]     --> src/hamt.rs:1005:41
[INFO] [stderr]      |
[INFO] [stderr] 1005 |                       let dest: *mut u8 = mem::transmute(
[INFO] [stderr]      |  _________________________________________^
[INFO] [stderr] 1006 | |                         source.offset(UnsafeNode::<K, V, IS, H>::node_entry_size() as isize));
[INFO] [stderr]      | |_____________________________________________________________________________________________^ help: try: `source.offset(UnsafeNode::<K, V, IS, H>::node_entry_size() as isize) as *mut u8`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]     --> src/hamt.rs:1006:25
[INFO] [stderr]      |
[INFO] [stderr] 1006 |                         source.offset(UnsafeNode::<K, V, IS, H>::node_entry_size() as isize));
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `source.add(UnsafeNode::<K, V, IS, H>::node_entry_size())`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer to a pointer
[INFO] [stderr]     --> src/hamt.rs:1079:37
[INFO] [stderr]      |
[INFO] [stderr] 1079 |                   let dest: *mut u8 = mem::transmute(
[INFO] [stderr]      |  _____________________________________^
[INFO] [stderr] 1080 | |                     source.offset(-(UnsafeNode::<K, V, IS, H>::node_entry_size() as isize))
[INFO] [stderr] 1081 | |                     );
[INFO] [stderr]      | |_____________________^ help: try: `source.offset(-(UnsafeNode::<K, V, IS, H>::node_entry_size() as isize)) as *mut u8`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: item `hamt::HamtMap<K, V, IS, H>` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]     --> src/hamt.rs:1161:1
[INFO] [stderr]      |
[INFO] [stderr] 1161 | / impl<K, V, IS, H> HamtMap<K, V, IS, H>
[INFO] [stderr] 1162 | |     where K: Eq+Send+Sync+Hash,
[INFO] [stderr] 1163 | |           V: Send+Sync,
[INFO] [stderr] 1164 | |           IS: ItemStore<K, V>,
[INFO] [stderr] ...    |
[INFO] [stderr] 1324 | |     }
[INFO] [stderr] 1325 | | }
[INFO] [stderr]      | |_^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[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/hamt.rs:1174:5
[INFO] [stderr]      |
[INFO] [stderr] 1174 | /     pub fn iter<'a>(&'a self) -> HamtMapIterator<'a, K, V, IS, H> {
[INFO] [stderr] 1175 | |         HamtMapIterator::new(self)
[INFO] [stderr] 1176 | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]     --> src/hamt.rs:1212:21
[INFO] [stderr]      |
[INFO] [stderr] 1212 |                     hash = hash >> BITS_PER_LEVEL;
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `hash >>= BITS_PER_LEVEL`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]     --> src/hamt.rs:1392:5
[INFO] [stderr]      |
[INFO] [stderr] 1392 | /     fn ne(&self, other: &HamtMap<K, V, IS, H>) -> bool {
[INFO] [stderr] 1393 | |         !(*self == *other)
[INFO] [stderr] 1394 | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::partialeq_ne_impl)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[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/item_store.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn key<'a>(&'a self) -> &'a K;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[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/item_store.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn val<'a>(&'a self) -> &'a V;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[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/item_store.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn key<'a>(&'a self) -> &'a K { &self.key }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[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/item_store.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn val<'a>(&'a self) -> &'a V { &self.val }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[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/item_store.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn key<'a>(&'a self) -> &'a K { &self.store.0 }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[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/item_store.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn val<'a>(&'a self) -> &'a V { &self.store.1 }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]   --> benches/benches.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | #![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 `hamt-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "26d0c0b680940e527b8d88f1d6e94988a57fc1ece08d7070bf05137df43dee47"`
[INFO] running `"docker" "rm" "-f" "26d0c0b680940e527b8d88f1d6e94988a57fc1ece08d7070bf05137df43dee47"`
[INFO] [stdout] 26d0c0b680940e527b8d88f1d6e94988a57fc1ece08d7070bf05137df43dee47