[INFO] crate natnet-decode 0.1.0 is already in cache
[INFO] extracting crate natnet-decode 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/natnet-decode/0.1.0
[INFO] extracting crate natnet-decode 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/natnet-decode/0.1.0
[INFO] validating manifest of natnet-decode-0.1.0 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of natnet-decode-0.1.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing natnet-decode-0.1.0
[INFO] finished frobbing natnet-decode-0.1.0
[INFO] frobbed toml for natnet-decode-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/natnet-decode/0.1.0/Cargo.toml
[INFO] started frobbing natnet-decode-0.1.0
[INFO] finished frobbing natnet-decode-0.1.0
[INFO] frobbed toml for natnet-decode-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/natnet-decode/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting natnet-decode-0.1.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/natnet-decode/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 97cd6ac84197f1b909e61dfca424165ecf510ba00a693664fb98366a345fe720
[INFO] running `"docker" "start" "-a" "97cd6ac84197f1b909e61dfca424165ecf510ba00a693664fb98366a345fe720"`
[INFO] [stderr]     Checking nalgebra v0.10.1
[INFO] [stderr]     Checking natnet-decode v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/force_plate.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             id: id,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `id`
[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/frame.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 latency: latency,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: replace it with: `latency`
[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/marker.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |             id: id,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `id`
[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/marker.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |             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/model.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |             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/model.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |             markers: markers,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `markers`
[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/model.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |             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/model.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |             id: id,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `id`
[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/model.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |             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/model.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 |             id: id,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `id`
[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/rigid_body.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |             id: id,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `id`
[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/rigid_body.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |             markers: markers,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `markers`
[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/sender.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             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/skeleton.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             id: id,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `id`
[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/force_plate.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             id: id,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `id`
[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/frame.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 latency: latency,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: replace it with: `latency`
[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/marker.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |             id: id,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `id`
[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/marker.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |             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/model.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |             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/model.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 |             markers: markers,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `markers`
[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/model.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |             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/model.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |             id: id,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `id`
[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/model.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |             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/model.rs:119:13
[INFO] [stderr]     |
[INFO] [stderr] 119 |             id: id,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `id`
[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/rigid_body.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |             id: id,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `id`
[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/rigid_body.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |             markers: markers,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: replace it with: `markers`
[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/sender.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |             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/skeleton.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             id: id,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `id`
[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: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/frame.rs:88:18
[INFO] [stderr]    |
[INFO] [stderr] 88 |             Some(try!(bytes.read_f32::<LittleEndian>()) as f64)
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: try
[INFO] [stderr]    |
[INFO] [stderr] 88 |             Some(f64::from(match $ expr {
[INFO] [stderr] 89 | $ crate :: result :: Result :: Ok ( val ) => val , $ crate :: result :: Result
[INFO] [stderr] 90 | :: Err ( err ) => {
[INFO] [stderr] 91 | return $ crate :: result :: Result :: Err (
[INFO] [stderr] 92 | $ crate :: convert :: From :: from ( err ) ) } }))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/sender.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let v1 = try!(bytes.read_u8()) as u64;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let v1 = u64::from(match $ expr {
[INFO] [stderr] 27 | $ crate :: result :: Result :: Ok ( val ) => val , $ crate :: result :: Result
[INFO] [stderr] 28 | :: Err ( err ) => {
[INFO] [stderr] 29 | return $ crate :: result :: Result :: Err (
[INFO] [stderr] 30 | $ crate :: convert :: From :: from ( err ) ) } });
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/sender.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let v2 = try!(bytes.read_u8()) as u64;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let v2 = u64::from(match $ expr {
[INFO] [stderr] 28 | $ crate :: result :: Result :: Ok ( val ) => val , $ crate :: result :: Result
[INFO] [stderr] 29 | :: Err ( err ) => {
[INFO] [stderr] 30 | return $ crate :: result :: Result :: Err (
[INFO] [stderr] 31 | $ crate :: convert :: From :: from ( err ) ) } });
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/sender.rs:28:14
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let v3 = try!(bytes.read_u8()) as u64;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let v3 = u64::from(match $ expr {
[INFO] [stderr] 29 | $ crate :: result :: Result :: Ok ( val ) => val , $ crate :: result :: Result
[INFO] [stderr] 30 | :: Err ( err ) => {
[INFO] [stderr] 31 | return $ crate :: result :: Result :: Err (
[INFO] [stderr] 32 | $ crate :: convert :: From :: from ( err ) ) } });
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/sender.rs:29:14
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let v4 = try!(bytes.read_u8()) as u64;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let v4 = u64::from(match $ expr {
[INFO] [stderr] 30 | $ crate :: result :: Result :: Ok ( val ) => val , $ crate :: result :: Result
[INFO] [stderr] 31 | :: Err ( err ) => {
[INFO] [stderr] 32 | return $ crate :: result :: Result :: Err (
[INFO] [stderr] 33 | $ crate :: convert :: From :: from ( err ) ) } });
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/frame.rs:88:18
[INFO] [stderr]    |
[INFO] [stderr] 88 |             Some(try!(bytes.read_f32::<LittleEndian>()) as f64)
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: try
[INFO] [stderr]    |
[INFO] [stderr] 88 |             Some(f64::from(match $ expr {
[INFO] [stderr] 89 | $ crate :: result :: Result :: Ok ( val ) => val , $ crate :: result :: Result
[INFO] [stderr] 90 | :: Err ( err ) => {
[INFO] [stderr] 91 | return $ crate :: result :: Result :: Err (
[INFO] [stderr] 92 | $ crate :: convert :: From :: from ( err ) ) } }))
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/sender.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let v1 = try!(bytes.read_u8()) as u64;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let v1 = u64::from(match $ expr {
[INFO] [stderr] 27 | $ crate :: result :: Result :: Ok ( val ) => val , $ crate :: result :: Result
[INFO] [stderr] 28 | :: Err ( err ) => {
[INFO] [stderr] 29 | return $ crate :: result :: Result :: Err (
[INFO] [stderr] 30 | $ crate :: convert :: From :: from ( err ) ) } });
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/sender.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let v2 = try!(bytes.read_u8()) as u64;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let v2 = u64::from(match $ expr {
[INFO] [stderr] 28 | $ crate :: result :: Result :: Ok ( val ) => val , $ crate :: result :: Result
[INFO] [stderr] 29 | :: Err ( err ) => {
[INFO] [stderr] 30 | return $ crate :: result :: Result :: Err (
[INFO] [stderr] 31 | $ crate :: convert :: From :: from ( err ) ) } });
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/sender.rs:28:14
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let v3 = try!(bytes.read_u8()) as u64;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let v3 = u64::from(match $ expr {
[INFO] [stderr] 29 | $ crate :: result :: Result :: Ok ( val ) => val , $ crate :: result :: Result
[INFO] [stderr] 30 | :: Err ( err ) => {
[INFO] [stderr] 31 | return $ crate :: result :: Result :: Err (
[INFO] [stderr] 32 | $ crate :: convert :: From :: from ( err ) ) } });
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/sender.rs:29:14
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let v4 = try!(bytes.read_u8()) as u64;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let v4 = u64::from(match $ expr {
[INFO] [stderr] 30 | $ crate :: result :: Result :: Ok ( val ) => val , $ crate :: result :: Result
[INFO] [stderr] 31 | :: Err ( err ) => {
[INFO] [stderr] 32 | return $ crate :: result :: Result :: Err (
[INFO] [stderr] 33 | $ crate :: convert :: From :: from ( err ) ) } });
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> benches/unpack.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `natnet-decode`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "97cd6ac84197f1b909e61dfca424165ecf510ba00a693664fb98366a345fe720"`
[INFO] running `"docker" "rm" "-f" "97cd6ac84197f1b909e61dfca424165ecf510ba00a693664fb98366a345fe720"`
[INFO] [stdout] 97cd6ac84197f1b909e61dfca424165ecf510ba00a693664fb98366a345fe720