[INFO] crate utf8reader 0.1.0 is already in cache
[INFO] extracting crate utf8reader 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/utf8reader/0.1.0
[INFO] extracting crate utf8reader 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/utf8reader/0.1.0
[INFO] validating manifest of utf8reader-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 utf8reader-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 utf8reader-0.1.0
[INFO] finished frobbing utf8reader-0.1.0
[INFO] frobbed toml for utf8reader-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/utf8reader/0.1.0/Cargo.toml
[INFO] started frobbing utf8reader-0.1.0
[INFO] finished frobbing utf8reader-0.1.0
[INFO] frobbed toml for utf8reader-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/utf8reader/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 utf8reader-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-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/utf8reader/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] bf96337fb1574acab15a817c905dc28e368f45e9c560e1e12b635755208cdb79
[INFO] running `"docker" "start" "-a" "bf96337fb1574acab15a817c905dc28e368f45e9c560e1e12b635755208cdb79"`
[INFO] [stderr]     Checking utf8reader v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let ch1 = try_some_or!(self.getb(), return Ok(None)) as u32;
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(match try!($e) { Some(v) => v, None => $fail })`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:67:14
[INFO] [stderr]    |
[INFO] [stderr] 67 |             let ch2 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(match try!($e) { Some(v) => v, None => $fail })`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `0x3F`
[INFO] [stderr]   --> src/lib.rs:72:41
[INFO] [stderr]    |
[INFO] [stderr] 72 |             let ret = (ch1 & 0x1F << 6) | (ch2 & 0x3F << 0);
[INFO] [stderr]    |                                                  ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:78:14
[INFO] [stderr]    |
[INFO] [stderr] 78 |             let ch2 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(match try!($e) { Some(v) => v, None => $fail })`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:82:14
[INFO] [stderr]    |
[INFO] [stderr] 82 |             let ch3 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(match try!($e) { Some(v) => v, None => $fail })`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `0x3F`
[INFO] [stderr]   --> src/lib.rs:87:62
[INFO] [stderr]    |
[INFO] [stderr] 87 |             let ret = (ch1 & 0x0F << 12) | (ch2 & 0x3F << 6) | (ch3 & 0x3F << 0);
[INFO] [stderr]    |                                                                       ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:93:14
[INFO] [stderr]    |
[INFO] [stderr] 93 |             let ch2 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(match try!($e) { Some(v) => v, None => $fail })`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:97:14
[INFO] [stderr]    |
[INFO] [stderr] 97 |             let ch3 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(match try!($e) { Some(v) => v, None => $fail })`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:101:14
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let ch4 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(match try!($e) { Some(v) => v, None => $fail })`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `0x3F`
[INFO] [stderr]    --> src/lib.rs:106:83
[INFO] [stderr]     |
[INFO] [stderr] 106 |             let ret = (ch1 & 0x07 << 18) | (ch2 & 0x3F << 12) | (ch3 & 0x3F << 6) | (ch4 & 0x3F << 0);
[INFO] [stderr]     |                                                                                            ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let ch1 = try_some_or!(self.getb(), return Ok(None)) as u32;
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(match try!($e) { Some(v) => v, None => $fail })`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:67:14
[INFO] [stderr]    |
[INFO] [stderr] 67 |             let ch2 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(match try!($e) { Some(v) => v, None => $fail })`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `0x3F`
[INFO] [stderr]   --> src/lib.rs:72:41
[INFO] [stderr]    |
[INFO] [stderr] 72 |             let ret = (ch1 & 0x1F << 6) | (ch2 & 0x3F << 0);
[INFO] [stderr]    |                                                  ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:78:14
[INFO] [stderr]    |
[INFO] [stderr] 78 |             let ch2 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(match try!($e) { Some(v) => v, None => $fail })`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:82:14
[INFO] [stderr]    |
[INFO] [stderr] 82 |             let ch3 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(match try!($e) { Some(v) => v, None => $fail })`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `0x3F`
[INFO] [stderr]   --> src/lib.rs:87:62
[INFO] [stderr]    |
[INFO] [stderr] 87 |             let ret = (ch1 & 0x0F << 12) | (ch2 & 0x3F << 6) | (ch3 & 0x3F << 0);
[INFO] [stderr]    |                                                                       ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:93:14
[INFO] [stderr]    |
[INFO] [stderr] 93 |             let ch2 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(match try!($e) { Some(v) => v, None => $fail })`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:97:14
[INFO] [stderr]    |
[INFO] [stderr] 97 |             let ch3 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(match try!($e) { Some(v) => v, None => $fail })`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:101:14
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let ch4 = try_some_or!(self.getb(), return Ok(Some(BADCHAR))) as u32;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(match try!($e) { Some(v) => v, None => $fail })`
[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 operation is ineffective. Consider reducing it to `0x3F`
[INFO] [stderr]    --> src/lib.rs:106:83
[INFO] [stderr]     |
[INFO] [stderr] 106 |             let ret = (ch1 & 0x07 << 18) | (ch2 & 0x3F << 12) | (ch3 & 0x3F << 6) | (ch4 & 0x3F << 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "bf96337fb1574acab15a817c905dc28e368f45e9c560e1e12b635755208cdb79"`
[INFO] running `"docker" "rm" "-f" "bf96337fb1574acab15a817c905dc28e368f45e9c560e1e12b635755208cdb79"`
[INFO] [stdout] bf96337fb1574acab15a817c905dc28e368f45e9c560e1e12b635755208cdb79