[INFO] updating cached repository saaadhu/avrvm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/saaadhu/avrvm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/saaadhu/avrvm" "work/ex/clippy-test-run/sources/stable/gh/saaadhu/avrvm"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/saaadhu/avrvm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/saaadhu/avrvm" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/saaadhu/avrvm"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/saaadhu/avrvm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 08dbf5008532eed33d1892b5555b4e05ca4b6a16
[INFO] sha for GitHub repo saaadhu/avrvm: 08dbf5008532eed33d1892b5555b4e05ca4b6a16
[INFO] validating manifest of saaadhu/avrvm 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 saaadhu/avrvm 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 saaadhu/avrvm
[INFO] finished frobbing saaadhu/avrvm
[INFO] frobbed toml for saaadhu/avrvm written to work/ex/clippy-test-run/sources/stable/gh/saaadhu/avrvm/Cargo.toml
[INFO] started frobbing saaadhu/avrvm
[INFO] finished frobbing saaadhu/avrvm
[INFO] frobbed toml for saaadhu/avrvm written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/saaadhu/avrvm/Cargo.toml
[INFO] crate saaadhu/avrvm 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 saaadhu/avrvm against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/saaadhu/avrvm:/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] f355530a94d04a0dacbdb136e1875886846ae2a2df960b9e4df3372c66941ff9
[INFO] running `"docker" "start" "-a" "f355530a94d04a0dacbdb136e1875886846ae2a2df960b9e4df3372c66941ff9"`
[INFO] [stderr]     Checking avrvm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `Header`
[INFO] [stderr]   --> src/elfparser.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     Header: ElfHeader,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `ProgramHeader`
[INFO] [stderr]   --> src/elfparser.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     ProgramHeader: ProgramHeader
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Header` should have a snake case name such as `header`
[INFO] [stderr]   --> src/elfparser.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     Header: ElfHeader,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `ProgramHeader` should have a snake case name such as `program_header`
[INFO] [stderr]   --> src/elfparser.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     ProgramHeader: ProgramHeader
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the `x @ _` pattern can be written as just `x`
[INFO] [stderr]    --> src/elfparser.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |         x @ _ => Ok(ElfMachine::Processor(x))
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:165:41
[INFO] [stderr]     |
[INFO] [stderr] 165 |             ElfEndianness::Little => Ok((buf[1] as u16) << 8 | (buf[0] as u16)),
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[1])`
[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 u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:165:64
[INFO] [stderr]     |
[INFO] [stderr] 165 |             ElfEndianness::Little => Ok((buf[1] as u16) << 8 | (buf[0] as u16)),
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[0])`
[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 u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:166:38
[INFO] [stderr]     |
[INFO] [stderr] 166 |             ElfEndianness::Big => Ok((buf[0] as u16) << 8 | (buf[1] as u16))
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[0])`
[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 u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:166:61
[INFO] [stderr]     |
[INFO] [stderr] 166 |             ElfEndianness::Big => Ok((buf[0] as u16) << 8 | (buf[1] as u16))
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[1])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:176:41
[INFO] [stderr]     |
[INFO] [stderr] 176 |             ElfEndianness::Little => Ok((buf[3] as u32) << 24 | (buf[2] as u32) << 16 | (buf[1] as u32) << 8 | buf[0] as u32),
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^ help: try: `u32::from(buf[3])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:176:65
[INFO] [stderr]     |
[INFO] [stderr] 176 |             ElfEndianness::Little => Ok((buf[3] as u32) << 24 | (buf[2] as u32) << 16 | (buf[1] as u32) << 8 | buf[0] as u32),
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^ help: try: `u32::from(buf[2])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:176:89
[INFO] [stderr]     |
[INFO] [stderr] 176 |             ElfEndianness::Little => Ok((buf[3] as u32) << 24 | (buf[2] as u32) << 16 | (buf[1] as u32) << 8 | buf[0] as u32),
[INFO] [stderr]     |                                                                                         ^^^^^^^^^^^^^^^ help: try: `u32::from(buf[1])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:176:112
[INFO] [stderr]     |
[INFO] [stderr] 176 |             ElfEndianness::Little => Ok((buf[3] as u32) << 24 | (buf[2] as u32) << 16 | (buf[1] as u32) << 8 | buf[0] as u32),
[INFO] [stderr]     |                                                                                                                ^^^^^^^^^^^^^ help: try: `u32::from(buf[0])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:177:38
[INFO] [stderr]     |
[INFO] [stderr] 177 |             ElfEndianness::Big => Ok((buf[0] as u32) << 24 | (buf[1] as u32) << 16 | (buf[2] as u32) << 8 | buf[3] as u32)
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^ help: try: `u32::from(buf[0])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:177:62
[INFO] [stderr]     |
[INFO] [stderr] 177 |             ElfEndianness::Big => Ok((buf[0] as u32) << 24 | (buf[1] as u32) << 16 | (buf[2] as u32) << 8 | buf[3] as u32)
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^^^ help: try: `u32::from(buf[1])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:177:86
[INFO] [stderr]     |
[INFO] [stderr] 177 |             ElfEndianness::Big => Ok((buf[0] as u32) << 24 | (buf[1] as u32) << 16 | (buf[2] as u32) << 8 | buf[3] as u32)
[INFO] [stderr]     |                                                                                      ^^^^^^^^^^^^^^^ help: try: `u32::from(buf[2])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:177:109
[INFO] [stderr]     |
[INFO] [stderr] 177 |             ElfEndianness::Big => Ok((buf[0] as u32) << 24 | (buf[1] as u32) << 16 | (buf[2] as u32) << 8 | buf[3] as u32)
[INFO] [stderr]     |                                                                                                             ^^^^^^^^^^^^^ help: try: `u32::from(buf[3])`
[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] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]    --> src/elfparser.rs:207:5
[INFO] [stderr]     |
[INFO] [stderr] 207 |     try!(reader.read(&mut id));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/elfparser.rs:209:24
[INFO] [stderr]     |
[INFO] [stderr] 209 |     assert_eq! (id[1], 'E' as u8);
[INFO] [stderr]     |                        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'E'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/elfparser.rs:210:24
[INFO] [stderr]     |
[INFO] [stderr] 210 |     assert_eq! (id[2], 'L' as u8);
[INFO] [stderr]     |                        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'L'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/elfparser.rs:211:24
[INFO] [stderr]     |
[INFO] [stderr] 211 |     assert_eq! (id[3], 'F' as u8);
[INFO] [stderr]     |                        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'F'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `avrvm`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: field is never used: `Header`
[INFO] [stderr]   --> src/elfparser.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     Header: ElfHeader,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `ProgramHeader`
[INFO] [stderr]   --> src/elfparser.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     ProgramHeader: ProgramHeader
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Header` should have a snake case name such as `header`
[INFO] [stderr]   --> src/elfparser.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     Header: ElfHeader,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `ProgramHeader` should have a snake case name such as `program_header`
[INFO] [stderr]   --> src/elfparser.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     ProgramHeader: ProgramHeader
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the `x @ _` pattern can be written as just `x`
[INFO] [stderr]    --> src/elfparser.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |         x @ _ => Ok(ElfMachine::Processor(x))
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:165:41
[INFO] [stderr]     |
[INFO] [stderr] 165 |             ElfEndianness::Little => Ok((buf[1] as u16) << 8 | (buf[0] as u16)),
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[1])`
[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 u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:165:64
[INFO] [stderr]     |
[INFO] [stderr] 165 |             ElfEndianness::Little => Ok((buf[1] as u16) << 8 | (buf[0] as u16)),
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[0])`
[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 u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:166:38
[INFO] [stderr]     |
[INFO] [stderr] 166 |             ElfEndianness::Big => Ok((buf[0] as u16) << 8 | (buf[1] as u16))
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[0])`
[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 u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:166:61
[INFO] [stderr]     |
[INFO] [stderr] 166 |             ElfEndianness::Big => Ok((buf[0] as u16) << 8 | (buf[1] as u16))
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^ help: try: `u16::from(buf[1])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:176:41
[INFO] [stderr]     |
[INFO] [stderr] 176 |             ElfEndianness::Little => Ok((buf[3] as u32) << 24 | (buf[2] as u32) << 16 | (buf[1] as u32) << 8 | buf[0] as u32),
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^ help: try: `u32::from(buf[3])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:176:65
[INFO] [stderr]     |
[INFO] [stderr] 176 |             ElfEndianness::Little => Ok((buf[3] as u32) << 24 | (buf[2] as u32) << 16 | (buf[1] as u32) << 8 | buf[0] as u32),
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^ help: try: `u32::from(buf[2])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:176:89
[INFO] [stderr]     |
[INFO] [stderr] 176 |             ElfEndianness::Little => Ok((buf[3] as u32) << 24 | (buf[2] as u32) << 16 | (buf[1] as u32) << 8 | buf[0] as u32),
[INFO] [stderr]     |                                                                                         ^^^^^^^^^^^^^^^ help: try: `u32::from(buf[1])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:176:112
[INFO] [stderr]     |
[INFO] [stderr] 176 |             ElfEndianness::Little => Ok((buf[3] as u32) << 24 | (buf[2] as u32) << 16 | (buf[1] as u32) << 8 | buf[0] as u32),
[INFO] [stderr]     |                                                                                                                ^^^^^^^^^^^^^ help: try: `u32::from(buf[0])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:177:38
[INFO] [stderr]     |
[INFO] [stderr] 177 |             ElfEndianness::Big => Ok((buf[0] as u32) << 24 | (buf[1] as u32) << 16 | (buf[2] as u32) << 8 | buf[3] as u32)
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^ help: try: `u32::from(buf[0])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:177:62
[INFO] [stderr]     |
[INFO] [stderr] 177 |             ElfEndianness::Big => Ok((buf[0] as u32) << 24 | (buf[1] as u32) << 16 | (buf[2] as u32) << 8 | buf[3] as u32)
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^^^ help: try: `u32::from(buf[1])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:177:86
[INFO] [stderr]     |
[INFO] [stderr] 177 |             ElfEndianness::Big => Ok((buf[0] as u32) << 24 | (buf[1] as u32) << 16 | (buf[2] as u32) << 8 | buf[3] as u32)
[INFO] [stderr]     |                                                                                      ^^^^^^^^^^^^^^^ help: try: `u32::from(buf[2])`
[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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/elfparser.rs:177:109
[INFO] [stderr]     |
[INFO] [stderr] 177 |             ElfEndianness::Big => Ok((buf[0] as u32) << 24 | (buf[1] as u32) << 16 | (buf[2] as u32) << 8 | buf[3] as u32)
[INFO] [stderr]     |                                                                                                             ^^^^^^^^^^^^^ help: try: `u32::from(buf[3])`
[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] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]    --> src/elfparser.rs:207:5
[INFO] [stderr]     |
[INFO] [stderr] 207 |     try!(reader.read(&mut id));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/elfparser.rs:209:24
[INFO] [stderr]     |
[INFO] [stderr] 209 |     assert_eq! (id[1], 'E' as u8);
[INFO] [stderr]     |                        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::char_lit_as_u8)] on by default
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'E'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/elfparser.rs:210:24
[INFO] [stderr]     |
[INFO] [stderr] 210 |     assert_eq! (id[2], 'L' as u8);
[INFO] [stderr]     |                        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'L'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] warning: casting character literal to u8. `char`s are 4 bytes wide in rust, so casting to u8 truncates them
[INFO] [stderr]    --> src/elfparser.rs:211:24
[INFO] [stderr]     |
[INFO] [stderr] 211 |     assert_eq! (id[3], 'F' as u8);
[INFO] [stderr]     |                        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider using a byte literal instead:
[INFO] [stderr]             b'F'
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#char_lit_as_u8
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `avrvm`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f355530a94d04a0dacbdb136e1875886846ae2a2df960b9e4df3372c66941ff9"`
[INFO] running `"docker" "rm" "-f" "f355530a94d04a0dacbdb136e1875886846ae2a2df960b9e4df3372c66941ff9"`
[INFO] [stdout] f355530a94d04a0dacbdb136e1875886846ae2a2df960b9e4df3372c66941ff9