[INFO] crate esvm-bigint 0.0.1 is already in cache
[INFO] extracting crate esvm-bigint 0.0.1 into work/ex/clippy-test-run/sources/stable/reg/esvm-bigint/0.0.1
[INFO] extracting crate esvm-bigint 0.0.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/esvm-bigint/0.0.1
[INFO] validating manifest of esvm-bigint-0.0.1 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 esvm-bigint-0.0.1 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 esvm-bigint-0.0.1
[INFO] finished frobbing esvm-bigint-0.0.1
[INFO] frobbed toml for esvm-bigint-0.0.1 written to work/ex/clippy-test-run/sources/stable/reg/esvm-bigint/0.0.1/Cargo.toml
[INFO] started frobbing esvm-bigint-0.0.1
[INFO] finished frobbing esvm-bigint-0.0.1
[INFO] frobbed toml for esvm-bigint-0.0.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/esvm-bigint/0.0.1/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 esvm-bigint-0.0.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/esvm-bigint/0.0.1:/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] 07beb3c8289eae477a6b3a981a4b00182fcccb45087f0ab4680a17c011831b0d
[INFO] running `"docker" "start" "-a" "07beb3c8289eae477a6b3a981a4b00182fcccb45087f0ab4680a17c011831b0d"`
[INFO] [stderr]    Compiling heapsize v0.3.9
[INFO] [stderr]     Checking elastic-array v0.7.0
[INFO] [stderr]     Checking esvm-rlp v0.0.1
[INFO] [stderr]     Checking esvm-bigint v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/algorithms.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 |     return Equal;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: remove `return` as shown: `Equal`
[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: unneeded return statement
[INFO] [stderr]    --> src/algorithms.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 |     return Equal;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: remove `return` as shown: `Equal`
[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: long literal lacking separators
[INFO] [stderr]   --> src/u256.rs:46:39
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub const SIGN_BIT_MASK: U256 = U256([0b01111111111111111111111111111111u32,
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0111_1111_1111_1111_1111_1111_1111_1111u32`
[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/u256.rs:47:39
[INFO] [stderr]    |
[INFO] [stderr] 47 |                                       0xffffffffu32, 0xffffffffu32, 0xffffffffu32,
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^ help: consider: `0xffff_ffffu32`
[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/u256.rs:47:54
[INFO] [stderr]    |
[INFO] [stderr] 47 |                                       0xffffffffu32, 0xffffffffu32, 0xffffffffu32,
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^ help: consider: `0xffff_ffffu32`
[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/u256.rs:47:69
[INFO] [stderr]    |
[INFO] [stderr] 47 |                                       0xffffffffu32, 0xffffffffu32, 0xffffffffu32,
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^ help: consider: `0xffff_ffffu32`
[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/u256.rs:48:39
[INFO] [stderr]    |
[INFO] [stderr] 48 |                                       0xffffffffu32, 0xffffffffu32, 0xffffffffu32, 0xffffffffu32]);
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^ help: consider: `0xffff_ffffu32`
[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/u256.rs:48:54
[INFO] [stderr]    |
[INFO] [stderr] 48 |                                       0xffffffffu32, 0xffffffffu32, 0xffffffffu32, 0xffffffffu32]);
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^ help: consider: `0xffff_ffffu32`
[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/u256.rs:48:69
[INFO] [stderr]    |
[INFO] [stderr] 48 |                                       0xffffffffu32, 0xffffffffu32, 0xffffffffu32, 0xffffffffu32]);
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^ help: consider: `0xffff_ffffu32`
[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/u256.rs:48:84
[INFO] [stderr]    |
[INFO] [stderr] 48 |                                       0xffffffffu32, 0xffffffffu32, 0xffffffffu32, 0xffffffffu32]);
[INFO] [stderr]    |                                                                                    ^^^^^^^^^^^^^ help: consider: `0xffff_ffffu32`
[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/u256.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         return l;
[INFO] [stderr]     |         ^^^^^^^^^ help: remove `return` as shown: `l`
[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: Unnecessary `>= y + 1` or `x - 1 >=`
[INFO] [stderr]    --> src/u256.rs:317:33
[INFO] [stderr]     |
[INFO] [stderr] 317 |             if bit_shift > 0 && i >= word_shift + 1 {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::int_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
[INFO] [stderr] help: change `>= y + 1` to `> y` as shown
[INFO] [stderr]     |
[INFO] [stderr] 317 |             if bit_shift > 0 && i > word_shift {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: Unnecessary `>= y + 1` or `x - 1 >=`
[INFO] [stderr]    --> src/u512.rs:105:33
[INFO] [stderr]     |
[INFO] [stderr] 105 |             if bit_shift > 0 && i >= word_shift + 1 {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
[INFO] [stderr] help: change `>= y + 1` to `> y` as shown
[INFO] [stderr]     |
[INFO] [stderr] 105 |             if bit_shift > 0 && i > word_shift {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     return Ok(res);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(res)`
[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/u256.rs:46:39
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub const SIGN_BIT_MASK: U256 = U256([0b01111111111111111111111111111111u32,
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0111_1111_1111_1111_1111_1111_1111_1111u32`
[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/u256.rs:47:39
[INFO] [stderr]    |
[INFO] [stderr] 47 |                                       0xffffffffu32, 0xffffffffu32, 0xffffffffu32,
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^ help: consider: `0xffff_ffffu32`
[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/u256.rs:47:54
[INFO] [stderr]    |
[INFO] [stderr] 47 |                                       0xffffffffu32, 0xffffffffu32, 0xffffffffu32,
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^ help: consider: `0xffff_ffffu32`
[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/u256.rs:47:69
[INFO] [stderr]    |
[INFO] [stderr] 47 |                                       0xffffffffu32, 0xffffffffu32, 0xffffffffu32,
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^ help: consider: `0xffff_ffffu32`
[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/u256.rs:48:39
[INFO] [stderr]    |
[INFO] [stderr] 48 |                                       0xffffffffu32, 0xffffffffu32, 0xffffffffu32, 0xffffffffu32]);
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^ help: consider: `0xffff_ffffu32`
[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/u256.rs:48:54
[INFO] [stderr]    |
[INFO] [stderr] 48 |                                       0xffffffffu32, 0xffffffffu32, 0xffffffffu32, 0xffffffffu32]);
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^ help: consider: `0xffff_ffffu32`
[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/u256.rs:48:69
[INFO] [stderr]    |
[INFO] [stderr] 48 |                                       0xffffffffu32, 0xffffffffu32, 0xffffffffu32, 0xffffffffu32]);
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^ help: consider: `0xffff_ffffu32`
[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/u256.rs:48:84
[INFO] [stderr]    |
[INFO] [stderr] 48 |                                       0xffffffffu32, 0xffffffffu32, 0xffffffffu32, 0xffffffffu32]);
[INFO] [stderr]    |                                                                                    ^^^^^^^^^^^^^ help: consider: `0xffff_ffffu32`
[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/u256.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         return l;
[INFO] [stderr]     |         ^^^^^^^^^ help: remove `return` as shown: `l`
[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: Unnecessary `>= y + 1` or `x - 1 >=`
[INFO] [stderr]    --> src/u256.rs:317:33
[INFO] [stderr]     |
[INFO] [stderr] 317 |             if bit_shift > 0 && i >= word_shift + 1 {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::int_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
[INFO] [stderr] help: change `>= y + 1` to `> y` as shown
[INFO] [stderr]     |
[INFO] [stderr] 317 |             if bit_shift > 0 && i > word_shift {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/u256.rs:461:26
[INFO] [stderr]     |
[INFO] [stderr] 461 |         assert_eq!(U256([0x7FFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
[INFO] [stderr]     |                          ^^^^^^^^^^ help: consider: `0x7FFF_FFFF`
[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/u256.rs:461:38
[INFO] [stderr]     |
[INFO] [stderr] 461 |         assert_eq!(U256([0x7FFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:461:50
[INFO] [stderr]     |
[INFO] [stderr] 461 |         assert_eq!(U256([0x7FFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
[INFO] [stderr]     |                                                  ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:461:62
[INFO] [stderr]     |
[INFO] [stderr] 461 |         assert_eq!(U256([0x7FFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
[INFO] [stderr]     |                                                              ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:462:26
[INFO] [stderr]     |
[INFO] [stderr] 462 |                          0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF]) *
[INFO] [stderr]     |                          ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:462:38
[INFO] [stderr]     |
[INFO] [stderr] 462 |                          0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF]) *
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:462:50
[INFO] [stderr]     |
[INFO] [stderr] 462 |                          0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF]) *
[INFO] [stderr]     |                                                  ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:462:62
[INFO] [stderr]     |
[INFO] [stderr] 462 |                          0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF]) *
[INFO] [stderr]     |                                                              ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:464:26
[INFO] [stderr]     |
[INFO] [stderr] 464 |                    U256([0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
[INFO] [stderr]     |                          ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:464:38
[INFO] [stderr]     |
[INFO] [stderr] 464 |                    U256([0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:464:50
[INFO] [stderr]     |
[INFO] [stderr] 464 |                    U256([0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
[INFO] [stderr]     |                                                  ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:464:62
[INFO] [stderr]     |
[INFO] [stderr] 464 |                    U256([0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
[INFO] [stderr]     |                                                              ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:465:26
[INFO] [stderr]     |
[INFO] [stderr] 465 |                          0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE]));
[INFO] [stderr]     |                          ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:465:38
[INFO] [stderr]     |
[INFO] [stderr] 465 |                          0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE]));
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:465:50
[INFO] [stderr]     |
[INFO] [stderr] 465 |                          0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE]));
[INFO] [stderr]     |                                                  ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:465:62
[INFO] [stderr]     |
[INFO] [stderr] 465 |                          0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE]));
[INFO] [stderr]     |                                                              ^^^^^^^^^^ help: consider: `0xFFFF_FFFE`
[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/u256.rs:472:47
[INFO] [stderr]     |
[INFO] [stderr] 472 |         assert_eq!(U256([0, 0, 0, 0, 0, 0, 0, 1000000001]) / U256([0, 0, 0, 0, 0, 0, 0, 2]),
[INFO] [stderr]     |                                               ^^^^^^^^^^ help: consider: `1_000_000_001`
[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/u256.rs:473:47
[INFO] [stderr]     |
[INFO] [stderr] 473 |                    U256([0, 0, 0, 0, 0, 0, 0, 500000000]));
[INFO] [stderr]     |                                               ^^^^^^^^^ help: consider: `500_000_000`
[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/u256.rs:474:47
[INFO] [stderr]     |
[INFO] [stderr] 474 |         assert_eq!(U256([0, 0, 0, 0, 0, 0, 0, 0xFFFFFFFD]) /
[INFO] [stderr]     |                                               ^^^^^^^^^^ help: consider: `0xFFFF_FFFD`
[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/u256.rs:476:47
[INFO] [stderr]     |
[INFO] [stderr] 476 |                    U256([0, 0, 0, 0, 0, 0, 0, 0x7FFFFFFE]));
[INFO] [stderr]     |                                               ^^^^^^^^^^ help: consider: `0x7FFF_FFFE`
[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/u256.rs:477:44
[INFO] [stderr]     |
[INFO] [stderr] 477 |         assert_eq!(U256([0, 0, 0, 0, 0, 0, 0xFFFFFFFF, 0xFFFFFFFD]) /
[INFO] [stderr]     |                                            ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:477:56
[INFO] [stderr]     |
[INFO] [stderr] 477 |         assert_eq!(U256([0, 0, 0, 0, 0, 0, 0xFFFFFFFF, 0xFFFFFFFD]) /
[INFO] [stderr]     |                                                        ^^^^^^^^^^ help: consider: `0xFFFF_FFFD`
[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/u256.rs:479:44
[INFO] [stderr]     |
[INFO] [stderr] 479 |                    U256([0, 0, 0, 0, 0, 0, 0x7FFFFFFF, 0xFFFFFFFE]));
[INFO] [stderr]     |                                            ^^^^^^^^^^ help: consider: `0x7FFF_FFFF`
[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/u256.rs:479:56
[INFO] [stderr]     |
[INFO] [stderr] 479 |                    U256([0, 0, 0, 0, 0, 0, 0x7FFFFFFF, 0xFFFFFFFE]));
[INFO] [stderr]     |                                                        ^^^^^^^^^^ help: consider: `0xFFFF_FFFE`
[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/u256.rs:480:26
[INFO] [stderr]     |
[INFO] [stderr] 480 |         assert_eq!(U256([0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
[INFO] [stderr]     |                          ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:480:38
[INFO] [stderr]     |
[INFO] [stderr] 480 |         assert_eq!(U256([0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:480:50
[INFO] [stderr]     |
[INFO] [stderr] 480 |         assert_eq!(U256([0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
[INFO] [stderr]     |                                                  ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:480:62
[INFO] [stderr]     |
[INFO] [stderr] 480 |         assert_eq!(U256([0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
[INFO] [stderr]     |                                                              ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:481:26
[INFO] [stderr]     |
[INFO] [stderr] 481 |                          0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFD]) /
[INFO] [stderr]     |                          ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:481:38
[INFO] [stderr]     |
[INFO] [stderr] 481 |                          0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFD]) /
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:481:50
[INFO] [stderr]     |
[INFO] [stderr] 481 |                          0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFD]) /
[INFO] [stderr]     |                                                  ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:481:62
[INFO] [stderr]     |
[INFO] [stderr] 481 |                          0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFD]) /
[INFO] [stderr]     |                                                              ^^^^^^^^^^ help: consider: `0xFFFF_FFFD`
[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/u256.rs:483:26
[INFO] [stderr]     |
[INFO] [stderr] 483 |                    U256([0x7FFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
[INFO] [stderr]     |                          ^^^^^^^^^^ help: consider: `0x7FFF_FFFF`
[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/u256.rs:483:38
[INFO] [stderr]     |
[INFO] [stderr] 483 |                    U256([0x7FFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:483:50
[INFO] [stderr]     |
[INFO] [stderr] 483 |                    U256([0x7FFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
[INFO] [stderr]     |                                                  ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:483:62
[INFO] [stderr]     |
[INFO] [stderr] 483 |                    U256([0x7FFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
[INFO] [stderr]     |                                                              ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:484:26
[INFO] [stderr]     |
[INFO] [stderr] 484 |                          0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE]));
[INFO] [stderr]     |                          ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:484:38
[INFO] [stderr]     |
[INFO] [stderr] 484 |                          0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE]));
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:484:50
[INFO] [stderr]     |
[INFO] [stderr] 484 |                          0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE]));
[INFO] [stderr]     |                                                  ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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/u256.rs:484:62
[INFO] [stderr]     |
[INFO] [stderr] 484 |                          0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFE]));
[INFO] [stderr]     |                                                              ^^^^^^^^^^ help: consider: `0xFFFF_FFFE`
[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: Unnecessary `>= y + 1` or `x - 1 >=`
[INFO] [stderr]    --> src/u512.rs:105:33
[INFO] [stderr]     |
[INFO] [stderr] 105 |             if bit_shift > 0 && i >= word_shift + 1 {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
[INFO] [stderr] help: change `>= y + 1` to `> y` as shown
[INFO] [stderr]     |
[INFO] [stderr] 105 |             if bit_shift > 0 && i > word_shift {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     return Ok(res);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(res)`
[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: constant item is never used: `ZERO_BIG_DIGIT`
[INFO] [stderr]   --> src/algorithms.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub const ZERO_BIG_DIGIT: BigDigit = 0;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_doublebigdigit`
[INFO] [stderr]   --> src/algorithms.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn to_doublebigdigit(hi: BigDigit, lo: BigDigit) -> DoubleBigDigit {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this call to `as_mut` does nothing
[INFO] [stderr]   --> src/algorithms.rs:14:26
[INFO] [stderr]    |
[INFO] [stderr] 14 |             for digit in digits.as_mut() {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^ help: try this: `digits`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_asref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_asref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         (lo as DoubleBigDigit) | ((hi as DoubleBigDigit) << BITS)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(lo)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:57:35
[INFO] [stderr]    |
[INFO] [stderr] 57 |         (lo as DoubleBigDigit) | ((hi as DoubleBigDigit) << BITS)
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(hi)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:68:51
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let (hi, lo) = big_digit::from_doublebigdigit((a as DoubleBigDigit) + (b as DoubleBigDigit) +
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(a)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:68:75
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let (hi, lo) = big_digit::from_doublebigdigit((a as DoubleBigDigit) + (b as DoubleBigDigit) +
[INFO] [stderr]    |                                                                           ^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(b)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:69:51
[INFO] [stderr]    |
[INFO] [stderr] 69 |                                                   (*carry as DoubleBigDigit));
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(*carry)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:78:69
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let (hi, lo) = big_digit::from_doublebigdigit(big_digit::BASE + (a as DoubleBigDigit) -
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(a)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:79:51
[INFO] [stderr]    |
[INFO] [stderr] 79 |                                                   (b as DoubleBigDigit) -
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(b)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:80:51
[INFO] [stderr]    |
[INFO] [stderr] 80 |                                                   (*borrow as DoubleBigDigit));
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(*borrow)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:89:51
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let (hi, lo) = big_digit::from_doublebigdigit((a as DoubleBigDigit) +
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(a)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:90:51
[INFO] [stderr]    |
[INFO] [stderr] 90 |                                                   (b as DoubleBigDigit) * (c as DoubleBigDigit) +
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(b)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:90:75
[INFO] [stderr]    |
[INFO] [stderr] 90 |                                                   (b as DoubleBigDigit) * (c as DoubleBigDigit) +
[INFO] [stderr]    |                                                                           ^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(c)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:91:51
[INFO] [stderr]    |
[INFO] [stderr] 91 |                                                   (*carry as DoubleBigDigit));
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(*carry)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/m256.rs:37:31
[INFO] [stderr]    |
[INFO] [stderr] 37 |         U256::from_str(s).map(|s| M256(s))
[INFO] [stderr]    |                               ^^^^^^^^^^^ help: remove closure as shown: `M256`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]   --> src/u256.rs:76:20
[INFO] [stderr]    |
[INFO] [stderr] 76 |         (U256(*a), if carry > 0 { true } else { false })
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can reduce it to: `carry > 0`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]   --> src/u256.rs:86:20
[INFO] [stderr]    |
[INFO] [stderr] 86 |         (U256(*a), if sign == Sign::Minus { true } else { false })
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can reduce it to: `sign == Sign::Minus`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]    --> src/u256.rs:101:21
[INFO] [stderr]     |
[INFO] [stderr] 101 |         (U256(ret), if carry > 0 { true } else { false })
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can reduce it to: `carry > 0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/u256.rs:176:18
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let lo = self.0[7] as u64;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^ help: try: `u64::from(self.0[7])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/u256.rs:177:18
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let hi = self.0[6] as u64;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^ help: try: `u64::from(self.0[6])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]    --> src/u256.rs:202:18
[INFO] [stderr]     |
[INFO] [stderr] 202 |         for i in 0..val.len() {
[INFO] [stderr]     |                  ^^^^^^^^^^^^ help: try replacing the loop by: `r[reserved..(val.len() + reserved)].clone_from_slice(&val[..])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::manual_memcpy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `val`
[INFO] [stderr]    --> src/u256.rs:212:18
[INFO] [stderr]     |
[INFO] [stderr] 212 |         for i in 0..32 {
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 212 |         for (i, <item>) in val.iter().enumerate() {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/u256.rs:214:23
[INFO] [stderr]     |
[INFO] [stderr] 214 |             r[pos] += (val[i] as u32) << (8 * (3 - (i - (pos * 4))));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^ help: try: `u32::from(val[i])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `r`
[INFO] [stderr]    --> src/u256.rs:224:18
[INFO] [stderr]     |
[INFO] [stderr] 224 |         for i in 0..32 {
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 224 |         for (i, <item>) in r.iter_mut().enumerate() {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/u256.rs:273:13
[INFO] [stderr]     |
[INFO] [stderr] 273 |             r.0[i] = r.0[i] & other.0[i];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `r.0[i] &= other.0[i]`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/u256.rs:285:13
[INFO] [stderr]     |
[INFO] [stderr] 285 |             r.0[i] = r.0[i] | other.0[i];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `r.0[i] |= other.0[i]`
[INFO] [stderr]     |
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/u256.rs:297:13
[INFO] [stderr]     |
[INFO] [stderr] 297 |             r.0[i] = r.0[i] ^ other.0[i];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `r.0[i] ^= other.0[i]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Div` impl
[INFO] [stderr]    --> src/u256.rs:397:33
[INFO] [stderr]     |
[INFO] [stderr] 397 |         let mut shift = my_bits - your_bits;
[INFO] [stderr]     |                                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::suspicious_arithmetic_impl)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Div` impl
[INFO] [stderr]    --> src/u256.rs:398:33
[INFO] [stderr]     |
[INFO] [stderr] 398 |         shift_copy = shift_copy << shift;
[INFO] [stderr]     |                                 ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Div` impl
[INFO] [stderr]    --> src/u256.rs:402:37
[INFO] [stderr]     |
[INFO] [stderr] 402 |                 sub_copy = sub_copy - shift_copy;
[INFO] [stderr]     |                                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Div` impl
[INFO] [stderr]    --> src/u256.rs:404:37
[INFO] [stderr]     |
[INFO] [stderr] 404 |             shift_copy = shift_copy >> 1;
[INFO] [stderr]     |                                     ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]   --> src/u512.rs:41:18
[INFO] [stderr]    |
[INFO] [stderr] 41 |         for i in 0..8 {
[INFO] [stderr]    |                  ^^^^ help: try replacing the loop by: `ret[8..(8 + 8)].clone_from_slice(&val[..8])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `ret`
[INFO] [stderr]   --> src/u512.rs:52:18
[INFO] [stderr]    |
[INFO] [stderr] 52 |         for i in 0..8 {
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 52 |         for (i, <item>) in ret.iter_mut().enumerate() {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]   --> src/u512.rs:52:18
[INFO] [stderr]    |
[INFO] [stderr] 52 |         for i in 0..8 {
[INFO] [stderr]    |                  ^^^^ help: try replacing the loop by: `ret[..8].clone_from_slice(&self.0[8..(8 + 8)])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/u512.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |             r.0[i] = r.0[i] & other.0[i];
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `r.0[i] &= other.0[i]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Mul` impl
[INFO] [stderr]    --> src/u512.rs:172:41
[INFO] [stderr]     |
[INFO] [stderr] 172 |             carry = mac3(&mut ret[0..(16-i)], a, *bi);
[INFO] [stderr]     |                                         ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Div` impl
[INFO] [stderr]    --> src/u512.rs:200:33
[INFO] [stderr]     |
[INFO] [stderr] 200 |         let mut shift = my_bits - your_bits;
[INFO] [stderr]     |                                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Div` impl
[INFO] [stderr]    --> src/u512.rs:201:33
[INFO] [stderr]     |
[INFO] [stderr] 201 |         shift_copy = shift_copy << shift;
[INFO] [stderr]     |                                 ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Div` impl
[INFO] [stderr]    --> src/u512.rs:205:37
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 sub_copy = sub_copy - shift_copy;
[INFO] [stderr]     |                                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Div` impl
[INFO] [stderr]    --> src/u512.rs:207:37
[INFO] [stderr]     |
[INFO] [stderr] 207 |             shift_copy = shift_copy >> 1;
[INFO] [stderr]     |                                     ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `esvm-bigint`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: constant item is never used: `ZERO_BIG_DIGIT`
[INFO] [stderr]   --> src/algorithms.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub const ZERO_BIG_DIGIT: BigDigit = 0;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_doublebigdigit`
[INFO] [stderr]   --> src/algorithms.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn to_doublebigdigit(hi: BigDigit, lo: BigDigit) -> DoubleBigDigit {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this call to `as_mut` does nothing
[INFO] [stderr]   --> src/algorithms.rs:14:26
[INFO] [stderr]    |
[INFO] [stderr] 14 |             for digit in digits.as_mut() {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^ help: try this: `digits`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_asref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_asref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         (lo as DoubleBigDigit) | ((hi as DoubleBigDigit) << BITS)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(lo)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:57:35
[INFO] [stderr]    |
[INFO] [stderr] 57 |         (lo as DoubleBigDigit) | ((hi as DoubleBigDigit) << BITS)
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(hi)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:68:51
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let (hi, lo) = big_digit::from_doublebigdigit((a as DoubleBigDigit) + (b as DoubleBigDigit) +
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(a)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:68:75
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let (hi, lo) = big_digit::from_doublebigdigit((a as DoubleBigDigit) + (b as DoubleBigDigit) +
[INFO] [stderr]    |                                                                           ^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(b)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:69:51
[INFO] [stderr]    |
[INFO] [stderr] 69 |                                                   (*carry as DoubleBigDigit));
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(*carry)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:78:69
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let (hi, lo) = big_digit::from_doublebigdigit(big_digit::BASE + (a as DoubleBigDigit) -
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(a)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:79:51
[INFO] [stderr]    |
[INFO] [stderr] 79 |                                                   (b as DoubleBigDigit) -
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(b)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:80:51
[INFO] [stderr]    |
[INFO] [stderr] 80 |                                                   (*borrow as DoubleBigDigit));
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(*borrow)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:89:51
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let (hi, lo) = big_digit::from_doublebigdigit((a as DoubleBigDigit) +
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(a)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:90:51
[INFO] [stderr]    |
[INFO] [stderr] 90 |                                                   (b as DoubleBigDigit) * (c as DoubleBigDigit) +
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(b)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:90:75
[INFO] [stderr]    |
[INFO] [stderr] 90 |                                                   (b as DoubleBigDigit) * (c as DoubleBigDigit) +
[INFO] [stderr]    |                                                                           ^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(c)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/algorithms.rs:91:51
[INFO] [stderr]    |
[INFO] [stderr] 91 |                                                   (*carry as DoubleBigDigit));
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(*carry)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: redundant closure found
[INFO] [stderr]   --> src/m256.rs:37:31
[INFO] [stderr]    |
[INFO] [stderr] 37 |         U256::from_str(s).map(|s| M256(s))
[INFO] [stderr]    |                               ^^^^^^^^^^^ help: remove closure as shown: `M256`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_closure)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]   --> src/u256.rs:76:20
[INFO] [stderr]    |
[INFO] [stderr] 76 |         (U256(*a), if carry > 0 { true } else { false })
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can reduce it to: `carry > 0`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]   --> src/u256.rs:86:20
[INFO] [stderr]    |
[INFO] [stderr] 86 |         (U256(*a), if sign == Sign::Minus { true } else { false })
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can reduce it to: `sign == Sign::Minus`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]    --> src/u256.rs:101:21
[INFO] [stderr]     |
[INFO] [stderr] 101 |         (U256(ret), if carry > 0 { true } else { false })
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can reduce it to: `carry > 0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/u256.rs:176:18
[INFO] [stderr]     |
[INFO] [stderr] 176 |         let lo = self.0[7] as u64;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^ help: try: `u64::from(self.0[7])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/u256.rs:177:18
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let hi = self.0[6] as u64;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^ help: try: `u64::from(self.0[6])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]    --> src/u256.rs:202:18
[INFO] [stderr]     |
[INFO] [stderr] 202 |         for i in 0..val.len() {
[INFO] [stderr]     |                  ^^^^^^^^^^^^ help: try replacing the loop by: `r[reserved..(val.len() + reserved)].clone_from_slice(&val[..])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::manual_memcpy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `val`
[INFO] [stderr]    --> src/u256.rs:212:18
[INFO] [stderr]     |
[INFO] [stderr] 212 |         for i in 0..32 {
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 212 |         for (i, <item>) in val.iter().enumerate() {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/u256.rs:214:23
[INFO] [stderr]     |
[INFO] [stderr] 214 |             r[pos] += (val[i] as u32) << (8 * (3 - (i - (pos * 4))));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^ help: try: `u32::from(val[i])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `r`
[INFO] [stderr]    --> src/u256.rs:224:18
[INFO] [stderr]     |
[INFO] [stderr] 224 |         for i in 0..32 {
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 224 |         for (i, <item>) in r.iter_mut().enumerate() {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/u256.rs:273:13
[INFO] [stderr]     |
[INFO] [stderr] 273 |             r.0[i] = r.0[i] & other.0[i];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `r.0[i] &= other.0[i]`
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/u256.rs:285:13
[INFO] [stderr]     |
[INFO] [stderr] 285 |             r.0[i] = r.0[i] | other.0[i];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `r.0[i] |= other.0[i]`
[INFO] [stderr]     |
[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: manual implementation of an assign operation
[INFO] [stderr]    --> src/u256.rs:297:13
[INFO] [stderr]     |
[INFO] [stderr] 297 |             r.0[i] = r.0[i] ^ other.0[i];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `r.0[i] ^= other.0[i]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Div` impl
[INFO] [stderr]    --> src/u256.rs:397:33
[INFO] [stderr]     |
[INFO] [stderr] 397 |         let mut shift = my_bits - your_bits;
[INFO] [stderr]     |                                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::suspicious_arithmetic_impl)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Div` impl
[INFO] [stderr]    --> src/u256.rs:398:33
[INFO] [stderr]     |
[INFO] [stderr] 398 |         shift_copy = shift_copy << shift;
[INFO] [stderr]     |                                 ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Div` impl
[INFO] [stderr]    --> src/u256.rs:402:37
[INFO] [stderr]     |
[INFO] [stderr] 402 |                 sub_copy = sub_copy - shift_copy;
[INFO] [stderr]     |                                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Div` impl
[INFO] [stderr]    --> src/u256.rs:404:37
[INFO] [stderr]     |
[INFO] [stderr] 404 |             shift_copy = shift_copy >> 1;
[INFO] [stderr]     |                                     ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]   --> src/u512.rs:41:18
[INFO] [stderr]    |
[INFO] [stderr] 41 |         for i in 0..8 {
[INFO] [stderr]    |                  ^^^^ help: try replacing the loop by: `ret[8..(8 + 8)].clone_from_slice(&val[..8])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `ret`
[INFO] [stderr]   --> src/u512.rs:52:18
[INFO] [stderr]    |
[INFO] [stderr] 52 |         for i in 0..8 {
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 52 |         for (i, <item>) in ret.iter_mut().enumerate() {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: it looks like you're manually copying between slices
[INFO] [stderr]   --> src/u512.rs:52:18
[INFO] [stderr]    |
[INFO] [stderr] 52 |         for i in 0..8 {
[INFO] [stderr]    |                  ^^^^ help: try replacing the loop by: `ret[..8].clone_from_slice(&self.0[8..(8 + 8)])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_memcpy
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/u512.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |             r.0[i] = r.0[i] & other.0[i];
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `r.0[i] &= other.0[i]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Mul` impl
[INFO] [stderr]    --> src/u512.rs:172:41
[INFO] [stderr]     |
[INFO] [stderr] 172 |             carry = mac3(&mut ret[0..(16-i)], a, *bi);
[INFO] [stderr]     |                                         ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Div` impl
[INFO] [stderr]    --> src/u512.rs:200:33
[INFO] [stderr]     |
[INFO] [stderr] 200 |         let mut shift = my_bits - your_bits;
[INFO] [stderr]     |                                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Div` impl
[INFO] [stderr]    --> src/u512.rs:201:33
[INFO] [stderr]     |
[INFO] [stderr] 201 |         shift_copy = shift_copy << shift;
[INFO] [stderr]     |                                 ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Div` impl
[INFO] [stderr]    --> src/u512.rs:205:37
[INFO] [stderr]     |
[INFO] [stderr] 205 |                 sub_copy = sub_copy - shift_copy;
[INFO] [stderr]     |                                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: Suspicious use of binary operator in `Div` impl
[INFO] [stderr]    --> src/u512.rs:207:37
[INFO] [stderr]     |
[INFO] [stderr] 207 |             shift_copy = shift_copy >> 1;
[INFO] [stderr]     |                                     ^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#suspicious_arithmetic_impl
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `esvm-bigint`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "07beb3c8289eae477a6b3a981a4b00182fcccb45087f0ab4680a17c011831b0d"`
[INFO] running `"docker" "rm" "-f" "07beb3c8289eae477a6b3a981a4b00182fcccb45087f0ab4680a17c011831b0d"`
[INFO] [stdout] 07beb3c8289eae477a6b3a981a4b00182fcccb45087f0ab4680a17c011831b0d