[INFO] crate cdb 0.6.0 is already in cache
[INFO] extracting crate cdb 0.6.0 into work/ex/clippy-test-run/sources/stable/reg/cdb/0.6.0
[INFO] extracting crate cdb 0.6.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cdb/0.6.0
[INFO] validating manifest of cdb-0.6.0 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 cdb-0.6.0 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 cdb-0.6.0
[INFO] finished frobbing cdb-0.6.0
[INFO] frobbed toml for cdb-0.6.0 written to work/ex/clippy-test-run/sources/stable/reg/cdb/0.6.0/Cargo.toml
[INFO] started frobbing cdb-0.6.0
[INFO] finished frobbing cdb-0.6.0
[INFO] frobbed toml for cdb-0.6.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cdb/0.6.0/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 cdb-0.6.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/cdb/0.6.0:/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] 07a65a9a29688b302cd00cd1ab0ae5b6267575759f9670106a9bfe80053f5abd
[INFO] running `"docker" "start" "-a" "07a65a9a29688b302cd00cd1ab0ae5b6267575759f9670106a9bfe80053f5abd"`
[INFO] [stderr]     Checking filebuffer v0.4.0
[INFO] [stderr]     Checking cdb v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/reader.rs:160:13
[INFO] [stderr]     |
[INFO] [stderr] 160 |             cdb: cdb,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `cdb`
[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/reader.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |             khash: khash,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `khash`
[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/reader.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |             kpos: kpos,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `kpos`
[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/reader.rs:165:13
[INFO] [stderr]     |
[INFO] [stderr] 165 |             hpos: hpos,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `hpos`
[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/reader.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 166 |             hslots: hslots,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `hslots`
[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/writer.rs:76:60
[INFO] [stderr]    |
[INFO] [stderr] 76 |         self.entries[(hash & 0xff) as usize].push(HashPos{ hash: hash, pos: self.pos });
[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/reader.rs:160:13
[INFO] [stderr]     |
[INFO] [stderr] 160 |             cdb: cdb,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `cdb`
[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/reader.rs:162:13
[INFO] [stderr]     |
[INFO] [stderr] 162 |             khash: khash,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `khash`
[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/reader.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |             kpos: kpos,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `kpos`
[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/reader.rs:165:13
[INFO] [stderr]     |
[INFO] [stderr] 165 |             hpos: hpos,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `hpos`
[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/reader.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 166 |             hslots: hslots,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `hslots`
[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/writer.rs:76:60
[INFO] [stderr]    |
[INFO] [stderr] 76 |         self.entries[(hash & 0xff) as usize].push(HashPos{ hash: hash, pos: self.pos });
[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: long literal lacking separators
[INFO] [stderr]   --> src/reader.rs:44:54
[INFO] [stderr]    |
[INFO] [stderr] 44 |         if file.len() < 2048 + 8 + 8 || file.len() > 0xffffffff {
[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: this if statement can be collapsed
[INFO] [stderr]    --> src/reader.rs:207:17
[INFO] [stderr]     |
[INFO] [stderr] 207 | /                 if klen as usize == self.key.len() {
[INFO] [stderr] 208 | |                     if iter_try!(self.cdb.match_key(&self.key[..], pos + 8)) {
[INFO] [stderr] 209 | |                         self.dlen = dlen;
[INFO] [stderr] 210 | |                         self.dpos = pos + 8 + self.key.len() as u32;
[INFO] [stderr] 211 | |                         return Some(self.read_vec());
[INFO] [stderr] 212 | |                     }
[INFO] [stderr] 213 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 207 |                 if klen as usize == self.key.len() && match $e {
[INFO] [stderr] 208 |             Err(x) => { return Some(Err(x)); },
[INFO] [stderr] 209 |             Ok(y) => y
[INFO] [stderr] 210 |         } {
[INFO] [stderr] 211 |     self.dlen = dlen;
[INFO] [stderr] 212 |     self.dpos = pos + 8 + self.key.len() as u32;
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/writer.rs:92:25
[INFO] [stderr]    |
[INFO] [stderr] 92 |         if key.len() >= 0xffffffff || data.len() >= 0xffffffff {
[INFO] [stderr]    |                         ^^^^^^^^^^ help: consider: `0xffff_ffff`
[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/writer.rs:92:53
[INFO] [stderr]    |
[INFO] [stderr] 92 |         if key.len() >= 0xffffffff || data.len() >= 0xffffffff {
[INFO] [stderr]    |                                                     ^^^^^^^^^^ help: consider: `0xffff_ffff`
[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/writer.rs:112:31
[INFO] [stderr]     |
[INFO] [stderr] 112 |         if maxsize + count > (0xffffffff / 8) {
[INFO] [stderr]     |                               ^^^^^^^^^^ help: consider: `0xffff_ffff`
[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/hash.rs:18:27
[INFO] [stderr]    |
[INFO] [stderr] 18 |     assert_eq!(hash(b""), 0x0001505);
[INFO] [stderr]    |                           ^^^^^^^^^ help: consider: `0x0000_1505`
[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: long literal lacking separators
[INFO] [stderr]   --> src/hash.rs:19:40
[INFO] [stderr]    |
[INFO] [stderr] 19 |     assert_eq!(hash(b"Hello, world!"), 0x564369e8);
[INFO] [stderr]    |                                        ^^^^^^^^^^ help: consider: `0x5643_69e8`
[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/hash.rs:20:59
[INFO] [stderr]    |
[INFO] [stderr] 20 |     assert_eq!(hash(b"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"), 0x40032705);
[INFO] [stderr]    |                                                           ^^^^^^^^^^ help: consider: `0x4003_2705`
[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/reader.rs:44:54
[INFO] [stderr]    |
[INFO] [stderr] 44 |         if file.len() < 2048 + 8 + 8 || file.len() > 0xffffffff {
[INFO] [stderr]    |                                                      ^^^^^^^^^^ help: consider: `0xffff_ffff`
[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: this if statement can be collapsed
[INFO] [stderr]    --> src/reader.rs:207:17
[INFO] [stderr]     |
[INFO] [stderr] 207 | /                 if klen as usize == self.key.len() {
[INFO] [stderr] 208 | |                     if iter_try!(self.cdb.match_key(&self.key[..], pos + 8)) {
[INFO] [stderr] 209 | |                         self.dlen = dlen;
[INFO] [stderr] 210 | |                         self.dpos = pos + 8 + self.key.len() as u32;
[INFO] [stderr] 211 | |                         return Some(self.read_vec());
[INFO] [stderr] 212 | |                     }
[INFO] [stderr] 213 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 207 |                 if klen as usize == self.key.len() && match $e {
[INFO] [stderr] 208 |             Err(x) => { return Some(Err(x)); },
[INFO] [stderr] 209 |             Ok(y) => y
[INFO] [stderr] 210 |         } {
[INFO] [stderr] 211 |     self.dlen = dlen;
[INFO] [stderr] 212 |     self.dpos = pos + 8 + self.key.len() as u32;
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/writer.rs:92:25
[INFO] [stderr]    |
[INFO] [stderr] 92 |         if key.len() >= 0xffffffff || data.len() >= 0xffffffff {
[INFO] [stderr]    |                         ^^^^^^^^^^ help: consider: `0xffff_ffff`
[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/writer.rs:92:53
[INFO] [stderr]    |
[INFO] [stderr] 92 |         if key.len() >= 0xffffffff || data.len() >= 0xffffffff {
[INFO] [stderr]    |                                                     ^^^^^^^^^^ help: consider: `0xffff_ffff`
[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/writer.rs:112:31
[INFO] [stderr]     |
[INFO] [stderr] 112 |         if maxsize + count > (0xffffffff / 8) {
[INFO] [stderr]     |                               ^^^^^^^^^^ help: consider: `0xffff_ffff`
[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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]  --> src/uint32.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     (data[0] as u32)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^ help: try: `u32::from(data[0])`
[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/uint32.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |         | ((data[1] as u32) << 8)
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^ help: try: `u32::from(data[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/uint32.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |         | ((data[2] as u32) << 16)
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^ help: try: `u32::from(data[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/uint32.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 |         | ((data[3] as u32) << 24)
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^ help: try: `u32::from(data[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/hash.rs:5:41
[INFO] [stderr]   |
[INFO] [stderr] 5 |     h.wrapping_shl(5).wrapping_add(h) ^ (c as u32)
[INFO] [stderr]   |                                         ^^^^^^^^^^ help: try: `u32::from(c)`
[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: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/reader.rs:161:18
[INFO] [stderr]     |
[INFO] [stderr] 161 |             key: key.into_iter().map(|x| *x).collect(),
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `key.into_iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/reader.rs:161:22
[INFO] [stderr]     |
[INFO] [stderr] 161 |             key: key.into_iter().map(|x| *x).collect(),
[INFO] [stderr]     |                      ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/writer.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn pack(&self, buf: &mut [u8]) {
[INFO] [stderr]    |             ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/writer.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         try!(w.write(&buf));
[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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/writer.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |         try!(self.file.write(&buf));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/writer.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         try!(self.file.write(key));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/writer.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         try!(self.file.write(data));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/writer.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |                 try!(self.file.write(&buf));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/writer.rs:145:9
[INFO] [stderr]     |
[INFO] [stderr] 145 |         try!(self.file.write(&header));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/writer.rs:233:16
[INFO] [stderr]     |
[INFO] [stderr] 233 |           if let Some(_) = self.cdb {
[INFO] [stderr]     |  _________-      ^^^^^^^
[INFO] [stderr] 234 | |             fs::remove_file(&self.tmpname);
[INFO] [stderr] 235 | |         }
[INFO] [stderr]     | |_________- help: try this: `if self.cdb.is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `cdb`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]  --> src/uint32.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     (data[0] as u32)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^ help: try: `u32::from(data[0])`
[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/uint32.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |         | ((data[1] as u32) << 8)
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^ help: try: `u32::from(data[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/uint32.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |         | ((data[2] as u32) << 16)
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^ help: try: `u32::from(data[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/uint32.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 |         | ((data[3] as u32) << 24)
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^ help: try: `u32::from(data[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/hash.rs:5:41
[INFO] [stderr]   |
[INFO] [stderr] 5 |     h.wrapping_shl(5).wrapping_add(h) ^ (c as u32)
[INFO] [stderr]   |                                         ^^^^^^^^^^ help: try: `u32::from(c)`
[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: You are using an explicit closure for cloning elements
[INFO] [stderr]    --> src/reader.rs:161:18
[INFO] [stderr]     |
[INFO] [stderr] 161 |             key: key.into_iter().map(|x| *x).collect(),
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `key.into_iter().cloned()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/reader.rs:161:22
[INFO] [stderr]     |
[INFO] [stderr] 161 |             key: key.into_iter().map(|x| *x).collect(),
[INFO] [stderr]     |                      ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/writer.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn pack(&self, buf: &mut [u8]) {
[INFO] [stderr]    |             ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/writer.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         try!(w.write(&buf));
[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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/writer.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |         try!(self.file.write(&buf));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/writer.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         try!(self.file.write(key));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/writer.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         try!(self.file.write(data));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/writer.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |                 try!(self.file.write(&buf));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/writer.rs:145:9
[INFO] [stderr]     |
[INFO] [stderr] 145 |         try!(self.file.write(&header));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/writer.rs:233:16
[INFO] [stderr]     |
[INFO] [stderr] 233 |           if let Some(_) = self.cdb {
[INFO] [stderr]     |  _________-      ^^^^^^^
[INFO] [stderr] 234 | |             fs::remove_file(&self.tmpname);
[INFO] [stderr] 235 | |         }
[INFO] [stderr]     | |_________- help: try this: `if self.cdb.is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `cdb`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "07a65a9a29688b302cd00cd1ab0ae5b6267575759f9670106a9bfe80053f5abd"`
[INFO] running `"docker" "rm" "-f" "07a65a9a29688b302cd00cd1ab0ae5b6267575759f9670106a9bfe80053f5abd"`
[INFO] [stdout] 07a65a9a29688b302cd00cd1ab0ae5b6267575759f9670106a9bfe80053f5abd