[INFO] crate libprefetch 0.1.1 is already in cache
[INFO] extracting crate libprefetch 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/libprefetch/0.1.1
[INFO] extracting crate libprefetch 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/libprefetch/0.1.1
[INFO] validating manifest of libprefetch-0.1.1 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 libprefetch-0.1.1 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 libprefetch-0.1.1
[INFO] finished frobbing libprefetch-0.1.1
[INFO] frobbed toml for libprefetch-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/libprefetch/0.1.1/Cargo.toml
[INFO] started frobbing libprefetch-0.1.1
[INFO] finished frobbing libprefetch-0.1.1
[INFO] frobbed toml for libprefetch-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/libprefetch/0.1.1/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 libprefetch-0.1.1 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/libprefetch/0.1.1:/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] 61ffb21194483793816677224c5e1bbfdcfe69ec6551da75e16be6197f7f8133
[INFO] running `"docker" "start" "-a" "61ffb21194483793816677224c5e1bbfdcfe69ec6551da75e16be6197f7f8133"`
[INFO] [stderr]     Checking libprefetch v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/prefetch.rs:224:7
[INFO] [stderr]     |
[INFO] [stderr] 224 |       header: header,
[INFO] [stderr]     |       ^^^^^^^^^^^^^^ help: replace it with: `header`
[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/prefetch.rs:225:7
[INFO] [stderr]     |
[INFO] [stderr] 225 |       parser: parser,
[INFO] [stderr]     |       ^^^^^^^^^^^^^^ help: replace it with: `parser`
[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/header.rs:52:11
[INFO] [stderr]    |
[INFO] [stderr] 52 |           version: version,
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^ help: replace it with: `version`
[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/header.rs:53:11
[INFO] [stderr]    |
[INFO] [stderr] 53 |           size: size,
[INFO] [stderr]    |           ^^^^^^^^^^ help: replace it with: `size`
[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/header.rs:54:11
[INFO] [stderr]    |
[INFO] [stderr] 54 |           name: name,
[INFO] [stderr]    |           ^^^^^^^^^^ help: replace it with: `name`
[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/header.rs:55:11
[INFO] [stderr]    |
[INFO] [stderr] 55 |           hash: hash
[INFO] [stderr]    |           ^^^^^^^^^^ help: replace it with: `hash`
[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/iterator.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         parser_result: parser_result,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `parser_result`
[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/iterator.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         parser_result: parser_result,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `parser_result`
[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/iterator.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |         parser_result: parser_result,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `parser_result`
[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/iterator.rs:157:7
[INFO] [stderr]     |
[INFO] [stderr] 157 |       volume_entry: volume_entry,
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `volume_entry`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/prefetch.rs:224:7
[INFO] [stderr]     |
[INFO] [stderr] 224 |       header: header,
[INFO] [stderr]     |       ^^^^^^^^^^^^^^ help: replace it with: `header`
[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/prefetch.rs:225:7
[INFO] [stderr]     |
[INFO] [stderr] 225 |       parser: parser,
[INFO] [stderr]     |       ^^^^^^^^^^^^^^ help: replace it with: `parser`
[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/header.rs:52:11
[INFO] [stderr]    |
[INFO] [stderr] 52 |           version: version,
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^ help: replace it with: `version`
[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/header.rs:53:11
[INFO] [stderr]    |
[INFO] [stderr] 53 |           size: size,
[INFO] [stderr]    |           ^^^^^^^^^^ help: replace it with: `size`
[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/header.rs:54:11
[INFO] [stderr]    |
[INFO] [stderr] 54 |           name: name,
[INFO] [stderr]    |           ^^^^^^^^^^ help: replace it with: `name`
[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/header.rs:55:11
[INFO] [stderr]    |
[INFO] [stderr] 55 |           hash: hash
[INFO] [stderr]    |           ^^^^^^^^^^ help: replace it with: `hash`
[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/iterator.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         parser_result: parser_result,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `parser_result`
[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/iterator.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         parser_result: parser_result,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `parser_result`
[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/iterator.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |         parser_result: parser_result,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `parser_result`
[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/iterator.rs:157:7
[INFO] [stderr]     |
[INFO] [stderr] 157 |       volume_entry: volume_entry,
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `volume_entry`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/trace.rs:61:11
[INFO] [stderr]    |
[INFO] [stderr] 61 |           0xFFFFFFFF => None,
[INFO] [stderr]    |           ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/lib.rs:120:7
[INFO] [stderr]     |
[INFO] [stderr] 120 |       p
[INFO] [stderr]     |       ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/lib.rs:118:15
[INFO] [stderr]     |
[INFO] [stderr] 118 |       let p = prefetch::Prefetch::new(f).unwrap();
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:126:18
[INFO] [stderr]     |
[INFO] [stderr] 126 |       assert_eq!(129453035816965472, p.last_execution_time());
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^ help: consider: `129_453_035_816_965_472`
[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/trace.rs:61:11
[INFO] [stderr]    |
[INFO] [stderr] 61 |           0xFFFFFFFF => None,
[INFO] [stderr]    |           ^^^^^^^^^^ help: consider: `0xFFFF_FFFF`
[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: field is never used: `parser`
[INFO] [stderr]   --> src/prefetch.rs:96:3
[INFO] [stderr]    |
[INFO] [stderr] 96 |   parser: Box<super::parser::Parser>,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of both operands
[INFO] [stderr]   --> src/header.rs:37:10
[INFO] [stderr]    |
[INFO] [stderr] 37 |       if &content[0x4 .. 0x8] != &super::constants::HEADER_CONSTANT_FIELD {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] help: use the values directly
[INFO] [stderr]    |
[INFO] [stderr] 37 |       if content[0x4 .. 0x8] != super::constants::HEADER_CONSTANT_FIELD {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `buf`.
[INFO] [stderr]   --> src/util.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |     for i in 0..buf.len() {
[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] 27 |     for <item> in &buf {
[INFO] [stderr]    |         ^^^^^^    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `p` is used as a loop counter. Consider using `for (p, item) in 0..buf.len().enumerate()` or similar iterators
[INFO] [stderr]   --> src/util.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |     for i in 0..buf.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_counter_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `buf`.
[INFO] [stderr]   --> src/util.rs:39:14
[INFO] [stderr]    |
[INFO] [stderr] 39 |     for i in 0..buf.len() {
[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] 39 |     for <item> in &buf {
[INFO] [stderr]    |         ^^^^^^    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `p` is used as a loop counter. Consider using `for (p, item) in 0..buf.len().enumerate()` or similar iterators
[INFO] [stderr]   --> src/util.rs:39:14
[INFO] [stderr]    |
[INFO] [stderr] 39 |     for i in 0..buf.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |       result += (buf[i] as u32) * 256u32.pow(p);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: try: `u32::from(buf[i])`
[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: the loop variable `i` is only used to index `buf`.
[INFO] [stderr]   --> src/util.rs:51:14
[INFO] [stderr]    |
[INFO] [stderr] 51 |     for i in 0..buf.len() {
[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] 51 |     for <item> in &buf {
[INFO] [stderr]    |         ^^^^^^    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `p` is used as a loop counter. Consider using `for (p, item) in 0..buf.len().enumerate()` or similar iterators
[INFO] [stderr]   --> src/util.rs:51:14
[INFO] [stderr]    |
[INFO] [stderr] 51 |     for i in 0..buf.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |       result += (buf[i] as i32) * 256i32.pow(p);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: try: `i32::from(buf[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 only used to index `buf`.
[INFO] [stderr]   --> src/util.rs:63:14
[INFO] [stderr]    |
[INFO] [stderr] 63 |     for i in 0..buf.len() {
[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] 63 |     for <item> in &buf {
[INFO] [stderr]    |         ^^^^^^    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `p` is used as a loop counter. Consider using `for (p, item) in 0..buf.len().enumerate()` or similar iterators
[INFO] [stderr]   --> src/util.rs:63:14
[INFO] [stderr]    |
[INFO] [stderr] 63 |     for i in 0..buf.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |       result += (buf[i] as u64) * 256u64.pow(p);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: try: `u64::from(buf[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: field is never used: `parser`
[INFO] [stderr]   --> src/prefetch.rs:96:3
[INFO] [stderr]    |
[INFO] [stderr] 96 |   parser: Box<super::parser::Parser>,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: needlessly taken reference of both operands
[INFO] [stderr]   --> src/header.rs:37:10
[INFO] [stderr]    |
[INFO] [stderr] 37 |       if &content[0x4 .. 0x8] != &super::constants::HEADER_CONSTANT_FIELD {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] help: use the values directly
[INFO] [stderr]    |
[INFO] [stderr] 37 |       if content[0x4 .. 0x8] != super::constants::HEADER_CONSTANT_FIELD {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `buf`.
[INFO] [stderr]   --> src/util.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |     for i in 0..buf.len() {
[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] 27 |     for <item> in &buf {
[INFO] [stderr]    |         ^^^^^^    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `p` is used as a loop counter. Consider using `for (p, item) in 0..buf.len().enumerate()` or similar iterators
[INFO] [stderr]   --> src/util.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |     for i in 0..buf.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_counter_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `buf`.
[INFO] [stderr]   --> src/util.rs:39:14
[INFO] [stderr]    |
[INFO] [stderr] 39 |     for i in 0..buf.len() {
[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] 39 |     for <item> in &buf {
[INFO] [stderr]    |         ^^^^^^    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `p` is used as a loop counter. Consider using `for (p, item) in 0..buf.len().enumerate()` or similar iterators
[INFO] [stderr]   --> src/util.rs:39:14
[INFO] [stderr]    |
[INFO] [stderr] 39 |     for i in 0..buf.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |       result += (buf[i] as u32) * 256u32.pow(p);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: try: `u32::from(buf[i])`
[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: the loop variable `i` is only used to index `buf`.
[INFO] [stderr]   --> src/util.rs:51:14
[INFO] [stderr]    |
[INFO] [stderr] 51 |     for i in 0..buf.len() {
[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] 51 |     for <item> in &buf {
[INFO] [stderr]    |         ^^^^^^    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `p` is used as a loop counter. Consider using `for (p, item) in 0..buf.len().enumerate()` or similar iterators
[INFO] [stderr]   --> src/util.rs:51:14
[INFO] [stderr]    |
[INFO] [stderr] 51 |     for i in 0..buf.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |       result += (buf[i] as i32) * 256i32.pow(p);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: try: `i32::from(buf[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 only used to index `buf`.
[INFO] [stderr]   --> src/util.rs:63:14
[INFO] [stderr]    |
[INFO] [stderr] 63 |     for i in 0..buf.len() {
[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] 63 |     for <item> in &buf {
[INFO] [stderr]    |         ^^^^^^    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `p` is used as a loop counter. Consider using `for (p, item) in 0..buf.len().enumerate()` or similar iterators
[INFO] [stderr]   --> src/util.rs:63:14
[INFO] [stderr]    |
[INFO] [stderr] 63 |     for i in 0..buf.len() {
[INFO] [stderr]    |              ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |       result += (buf[i] as u64) * 256u64.pow(p);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^ help: try: `u64::from(buf[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "61ffb21194483793816677224c5e1bbfdcfe69ec6551da75e16be6197f7f8133"`
[INFO] running `"docker" "rm" "-f" "61ffb21194483793816677224c5e1bbfdcfe69ec6551da75e16be6197f7f8133"`
[INFO] [stdout] 61ffb21194483793816677224c5e1bbfdcfe69ec6551da75e16be6197f7f8133