[INFO] updating cached repository martinus/bitcoin-utxo-visualizer-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/martinus/bitcoin-utxo-visualizer-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/martinus/bitcoin-utxo-visualizer-rs" "work/ex/clippy-test-run/sources/stable/gh/martinus/bitcoin-utxo-visualizer-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/martinus/bitcoin-utxo-visualizer-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/martinus/bitcoin-utxo-visualizer-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/martinus/bitcoin-utxo-visualizer-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/martinus/bitcoin-utxo-visualizer-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] db82ffc194a6d28f61db54dd761607ea7aadcdf6
[INFO] sha for GitHub repo martinus/bitcoin-utxo-visualizer-rs: db82ffc194a6d28f61db54dd761607ea7aadcdf6
[INFO] validating manifest of martinus/bitcoin-utxo-visualizer-rs 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 martinus/bitcoin-utxo-visualizer-rs 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 martinus/bitcoin-utxo-visualizer-rs
[INFO] finished frobbing martinus/bitcoin-utxo-visualizer-rs
[INFO] frobbed toml for martinus/bitcoin-utxo-visualizer-rs written to work/ex/clippy-test-run/sources/stable/gh/martinus/bitcoin-utxo-visualizer-rs/Cargo.toml
[INFO] started frobbing martinus/bitcoin-utxo-visualizer-rs
[INFO] finished frobbing martinus/bitcoin-utxo-visualizer-rs
[INFO] frobbed toml for martinus/bitcoin-utxo-visualizer-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/martinus/bitcoin-utxo-visualizer-rs/Cargo.toml
[INFO] crate martinus/bitcoin-utxo-visualizer-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting martinus/bitcoin-utxo-visualizer-rs 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/gh/martinus/bitcoin-utxo-visualizer-rs:/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] f1a9038e9fad7538b21e7d59f17a80d7b78480b1c0e9a802fd562b1d7e8806c7
[INFO] running `"docker" "start" "-a" "f1a9038e9fad7538b21e7d59f17a80d7b78480b1c0e9a802fd562b1d7e8806c7"`
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking bitcoin-utxo-visualizer-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/blk/fast_file_source.rs:25:36
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let ffs = FastFileSource { mmap: mmap };
[INFO] [stderr]    |                                    ^^^^^^^^^^ help: replace it with: `mmap`
[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/blk/change_to_pixel.rs:32:26
[INFO] [stderr]    |
[INFO] [stderr] 32 |         LinearFunction { k: k, d: d }
[INFO] [stderr]    |                          ^^^^ help: replace it with: `k`
[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/blk/change_to_pixel.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 |         LinearFunction { k: k, d: d }
[INFO] [stderr]    |                                ^^^^ help: replace it with: `d`
[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/blk/change_to_pixel.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             pixel_height: pixel_height,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `pixel_height`
[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/blk/change_to_pixel.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |             min_satoshi: min_satoshi,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `min_satoshi`
[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/blk/change_to_pixel.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             max_satoshi: max_satoshi,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `max_satoshi`
[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/blk/fast_file_source.rs:25:36
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let ffs = FastFileSource { mmap: mmap };
[INFO] [stderr]    |                                    ^^^^^^^^^^ help: replace it with: `mmap`
[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/blk/change_to_pixel.rs:32:26
[INFO] [stderr]    |
[INFO] [stderr] 32 |         LinearFunction { k: k, d: d }
[INFO] [stderr]    |                          ^^^^ help: replace it with: `k`
[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/blk/change_to_pixel.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 |         LinearFunction { k: k, d: d }
[INFO] [stderr]    |                                ^^^^ help: replace it with: `d`
[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/blk/change_to_pixel.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |             pixel_height: pixel_height,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `pixel_height`
[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/blk/change_to_pixel.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |             min_satoshi: min_satoshi,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `min_satoshi`
[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/blk/change_to_pixel.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             max_satoshi: max_satoshi,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `max_satoshi`
[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/blk/parser.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     return Some((*it.next()?).into());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((*it.next()?).into())`
[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/blk/parser.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     return Some(x);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(x)`
[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/blk/parser.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     return Some(x);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(x)`
[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/blk/parser.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |         if byte <= 0b01111111 {
[INFO] [stderr]    |                    ^^^^^^^^^^ help: consider: `0b0111_1111`
[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/blk/parser.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     return Some((bytes, val as i32));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((bytes, val as i32))`
[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/blk/parser.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     return Some(parse_u64(it)? as i64);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(parse_u64(it)? as i64)`
[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/blk/parser.rs:82:20
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 if 0x004b4c42 != magick_blk0 {
[INFO] [stderr]    |                    ^^^^^^^^^^ help: consider: `0x004b_4c42`
[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/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | /         return CheckSequential {
[INFO] [stderr] 22 | |             last_block: 0_u32.wrapping_sub(1),
[INFO] [stderr] 23 | |             num_changes: 0,
[INFO] [stderr] 24 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 21 |         CheckSequential {
[INFO] [stderr] 22 |             last_block: 0_u32.wrapping_sub(1),
[INFO] [stderr] 23 |             num_changes: 0,
[INFO] [stderr] 24 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ChangeToPixel`
[INFO] [stderr]   --> src/blk/change_to_pixel.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct ChangeToPixel {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `LinearFunction`
[INFO] [stderr]   --> src/blk/change_to_pixel.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct LinearFunction {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/blk/change_to_pixel.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn new(x1: f64, y1: f64, x2: f64, y2: f64) -> LinearFunction {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `calc`
[INFO] [stderr]   --> src/blk/change_to_pixel.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn calc(&self, x: f64) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/blk/change_to_pixel.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn new(pixel_height: u32, min_satoshi: i64, max_satoshi: i64) -> ChangeToPixel {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `next::<u32>(it)?`
[INFO] [stderr]   --> src/blk/parser.rs:31:10
[INFO] [stderr]    |
[INFO] [stderr] 31 |     x |= next::<u32>(it)? << (8 * 0);
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] error: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]   --> src/blk/parser.rs:31:30
[INFO] [stderr]    |
[INFO] [stderr] 31 |     x |= next::<u32>(it)? << (8 * 0);
[INFO] [stderr]    |                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::erasing_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `8`
[INFO] [stderr]   --> src/blk/parser.rs:32:30
[INFO] [stderr]    |
[INFO] [stderr] 32 |     x |= next::<u32>(it)? << (8 * 1);
[INFO] [stderr]    |                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `next::<u64>(it)?`
[INFO] [stderr]   --> src/blk/parser.rs:40:10
[INFO] [stderr]    |
[INFO] [stderr] 40 |     x |= next::<u64>(it)? << (8 * 0);
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] error: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]   --> src/blk/parser.rs:40:30
[INFO] [stderr]    |
[INFO] [stderr] 40 |     x |= next::<u64>(it)? << (8 * 0);
[INFO] [stderr]    |                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `8`
[INFO] [stderr]   --> src/blk/parser.rs:41:30
[INFO] [stderr]    |
[INFO] [stderr] 41 |     x |= next::<u64>(it)? << (8 * 1);
[INFO] [stderr]    |                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/blk/parser.rs:57:16
[INFO] [stderr]    |
[INFO] [stderr] 57 |         val |= (byte as u64) << (7 * num_bytes);
[INFO] [stderr]    |                ^^^^^^^^^^^^^ help: try: `u64::from(byte)`
[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: unneeded return statement
[INFO] [stderr]   --> src/blk/parser.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     return Some((*it.next()?).into());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((*it.next()?).into())`
[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/blk/parser.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     return Some(x);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(x)`
[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/blk/parser.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     return Some(x);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(x)`
[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/blk/parser.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |         if byte <= 0b01111111 {
[INFO] [stderr]    |                    ^^^^^^^^^^ help: consider: `0b0111_1111`
[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/blk/parser.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     return Some((bytes, val as i32));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some((bytes, val as i32))`
[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/blk/parser.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     return Some(parse_u64(it)? as i64);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(parse_u64(it)? as i64)`
[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/blk/parser.rs:82:20
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 if 0x004b4c42 != magick_blk0 {
[INFO] [stderr]    |                    ^^^^^^^^^^ help: consider: `0x004b_4c42`
[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/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | /         return CheckSequential {
[INFO] [stderr] 22 | |             last_block: 0_u32.wrapping_sub(1),
[INFO] [stderr] 23 | |             num_changes: 0,
[INFO] [stderr] 24 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 21 |         CheckSequential {
[INFO] [stderr] 22 |             last_block: 0_u32.wrapping_sub(1),
[INFO] [stderr] 23 |             num_changes: 0,
[INFO] [stderr] 24 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `bitcoin-utxo-visualizer-rs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: field is never used: `pixel_height`
[INFO] [stderr]   --> src/blk/change_to_pixel.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pixel_height: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `min_satoshi`
[INFO] [stderr]   --> src/blk/change_to_pixel.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     min_satoshi: i64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `max_satoshi`
[INFO] [stderr]   --> src/blk/change_to_pixel.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     max_satoshi: i64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `next::<u32>(it)?`
[INFO] [stderr]   --> src/blk/parser.rs:31:10
[INFO] [stderr]    |
[INFO] [stderr] 31 |     x |= next::<u32>(it)? << (8 * 0);
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] error: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]   --> src/blk/parser.rs:31:30
[INFO] [stderr]    |
[INFO] [stderr] 31 |     x |= next::<u32>(it)? << (8 * 0);
[INFO] [stderr]    |                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::erasing_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `8`
[INFO] [stderr]   --> src/blk/parser.rs:32:30
[INFO] [stderr]    |
[INFO] [stderr] 32 |     x |= next::<u32>(it)? << (8 * 1);
[INFO] [stderr]    |                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `next::<u64>(it)?`
[INFO] [stderr]   --> src/blk/parser.rs:40:10
[INFO] [stderr]    |
[INFO] [stderr] 40 |     x |= next::<u64>(it)? << (8 * 0);
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] error: this operation will always return zero. This is likely not the intended outcome
[INFO] [stderr]   --> src/blk/parser.rs:40:30
[INFO] [stderr]    |
[INFO] [stderr] 40 |     x |= next::<u64>(it)? << (8 * 0);
[INFO] [stderr]    |                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#erasing_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `8`
[INFO] [stderr]   --> src/blk/parser.rs:41:30
[INFO] [stderr]    |
[INFO] [stderr] 41 |     x |= next::<u64>(it)? << (8 * 1);
[INFO] [stderr]    |                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/blk/parser.rs:57:16
[INFO] [stderr]    |
[INFO] [stderr] 57 |         val |= (byte as u64) << (7 * num_bytes);
[INFO] [stderr]    |                ^^^^^^^^^^^^^ help: try: `u64::from(byte)`
[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] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/blk/change_to_pixel.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 |         if a == b {
[INFO] [stderr]    |            ^^^^^^ help: consider comparing them within some error: `(a - b).abs() < error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/blk/change_to_pixel.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 |         if a == b {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `bitcoin-utxo-visualizer-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f1a9038e9fad7538b21e7d59f17a80d7b78480b1c0e9a802fd562b1d7e8806c7"`
[INFO] running `"docker" "rm" "-f" "f1a9038e9fad7538b21e7d59f17a80d7b78480b1c0e9a802fd562b1d7e8806c7"`
[INFO] [stdout] f1a9038e9fad7538b21e7d59f17a80d7b78480b1c0e9a802fd562b1d7e8806c7