[INFO] crate web-assembler 0.1.1 is already in cache
[INFO] extracting crate web-assembler 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/web-assembler/0.1.1
[INFO] extracting crate web-assembler 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/web-assembler/0.1.1
[INFO] validating manifest of web-assembler-0.1.1 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of web-assembler-0.1.1 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing web-assembler-0.1.1
[INFO] finished frobbing web-assembler-0.1.1
[INFO] frobbed toml for web-assembler-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/web-assembler/0.1.1/Cargo.toml
[INFO] started frobbing web-assembler-0.1.1
[INFO] finished frobbing web-assembler-0.1.1
[INFO] frobbed toml for web-assembler-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/web-assembler/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting web-assembler-0.1.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/web-assembler/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e519ace117a7e0dc2e17e9876765d7b93027bef638c78ec3b93bfca1395f5f7a
[INFO] running `"docker" "start" "-a" "e519ace117a7e0dc2e17e9876765d7b93027bef638c78ec3b93bfca1395f5f7a"`
[INFO] [stderr]     Checking web-assembler v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/builder.rs:138:13
[INFO] [stderr]     |
[INFO] [stderr] 138 |             data: data,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `data`
[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/builder.rs:145:29
[INFO] [stderr]     |
[INFO] [stderr] 145 |                             ty: ty,
[INFO] [stderr]     |                             ^^^^^^ help: replace it with: `ty`
[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/builder.rs:158:13
[INFO] [stderr]     |
[INFO] [stderr] 158 |             element: element,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `element`
[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/builder.rs:168:13
[INFO] [stderr]     |
[INFO] [stderr] 168 |             element: element,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `element`
[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/builder.rs:341:31
[INFO] [stderr]     |
[INFO] [stderr] 341 |                               table: table,
[INFO] [stderr]     |                               ^^^^^^^^^^^^ help: replace it with: `table`
[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/builder.rs:541:13
[INFO] [stderr]     |
[INFO] [stderr] 541 |             ty: ty,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `ty`
[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/builder.rs:542:13
[INFO] [stderr]     |
[INFO] [stderr] 542 |             args: args,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `args`
[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/builder.rs:556:13
[INFO] [stderr]     |
[INFO] [stderr] 556 |             locals: locals,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `locals`
[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/builder.rs:138:13
[INFO] [stderr]     |
[INFO] [stderr] 138 |             data: data,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `data`
[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/builder.rs:145:29
[INFO] [stderr]     |
[INFO] [stderr] 145 |                             ty: ty,
[INFO] [stderr]     |                             ^^^^^^ help: replace it with: `ty`
[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/builder.rs:158:13
[INFO] [stderr]     |
[INFO] [stderr] 158 |             element: element,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `element`
[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/builder.rs:168:13
[INFO] [stderr]     |
[INFO] [stderr] 168 |             element: element,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `element`
[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/builder.rs:341:31
[INFO] [stderr]     |
[INFO] [stderr] 341 |                               table: table,
[INFO] [stderr]     |                               ^^^^^^^^^^^^ help: replace it with: `table`
[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/builder.rs:541:13
[INFO] [stderr]     |
[INFO] [stderr] 541 |             ty: ty,
[INFO] [stderr]     |             ^^^^^^ help: replace it with: `ty`
[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/builder.rs:542:13
[INFO] [stderr]     |
[INFO] [stderr] 542 |             args: args,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `args`
[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/builder.rs:556:13
[INFO] [stderr]     |
[INFO] [stderr] 556 |             locals: locals,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `locals`
[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/util.rs:26:36
[INFO] [stderr]    |
[INFO] [stderr] 26 |     size += write_uint32(buf, (u & 0xffffffff) as u32);
[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: long literal lacking separators
[INFO] [stderr]   --> src/util.rs:27:44
[INFO] [stderr]    |
[INFO] [stderr] 27 |     size += write_uint32(buf, ((u >> 32) & 0xffffffff) as u32);
[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/util.rs:56:24
[INFO] [stderr]    |
[INFO] [stderr] 56 |             let bit7 = 0b01111111;
[INFO] [stderr]    |                        ^^^^^^^^^^ help: consider: `0b0111_1111`
[INFO] [stderr] ...
[INFO] [stderr] 72 | gen_write_var!(write_varuint32, u32);
[INFO] [stderr]    | ------------------------------------- in this macro invocation
[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/util.rs:56:24
[INFO] [stderr]    |
[INFO] [stderr] 56 |             let bit7 = 0b01111111;
[INFO] [stderr]    |                        ^^^^^^^^^^ help: consider: `0b0111_1111`
[INFO] [stderr] ...
[INFO] [stderr] 73 | gen_write_var!(write_varint32, i32);
[INFO] [stderr]    | ------------------------------------ in this macro invocation
[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/util.rs:56:24
[INFO] [stderr]    |
[INFO] [stderr] 56 |             let bit7 = 0b01111111;
[INFO] [stderr]    |                        ^^^^^^^^^^ help: consider: `0b0111_1111`
[INFO] [stderr] ...
[INFO] [stderr] 74 | gen_write_var!(write_varint64, i64);
[INFO] [stderr]    | ------------------------------------ in this macro invocation
[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: unneeded return statement
[INFO] [stderr]   --> src/module.rs:25:21
[INFO] [stderr]    |
[INFO] [stderr] 25 |             None => return Err(i),
[INFO] [stderr]    |                     ^^^^^^^^^^^^^ help: remove `return` as shown: `Err(i)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/builder.rs:546:9
[INFO] [stderr]     |
[INFO] [stderr] 546 |         fb
[INFO] [stderr]     |         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/builder.rs:540:18
[INFO] [stderr]     |
[INFO] [stderr] 540 |           let fb = FunctionBuilder {
[INFO] [stderr]     |  __________________^
[INFO] [stderr] 541 | |             ty: ty,
[INFO] [stderr] 542 | |             args: args,
[INFO] [stderr] 543 | |             locals: Vec::new(),
[INFO] [stderr] 544 | |             cb: CodeBuilder::new(),
[INFO] [stderr] 545 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/util.rs:26:36
[INFO] [stderr]    |
[INFO] [stderr] 26 |     size += write_uint32(buf, (u & 0xffffffff) as u32);
[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: long literal lacking separators
[INFO] [stderr]   --> src/util.rs:27:44
[INFO] [stderr]    |
[INFO] [stderr] 27 |     size += write_uint32(buf, ((u >> 32) & 0xffffffff) as u32);
[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/util.rs:56:24
[INFO] [stderr]    |
[INFO] [stderr] 56 |             let bit7 = 0b01111111;
[INFO] [stderr]    |                        ^^^^^^^^^^ help: consider: `0b0111_1111`
[INFO] [stderr] ...
[INFO] [stderr] 72 | gen_write_var!(write_varuint32, u32);
[INFO] [stderr]    | ------------------------------------- in this macro invocation
[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/util.rs:56:24
[INFO] [stderr]    |
[INFO] [stderr] 56 |             let bit7 = 0b01111111;
[INFO] [stderr]    |                        ^^^^^^^^^^ help: consider: `0b0111_1111`
[INFO] [stderr] ...
[INFO] [stderr] 73 | gen_write_var!(write_varint32, i32);
[INFO] [stderr]    | ------------------------------------ in this macro invocation
[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/util.rs:56:24
[INFO] [stderr]    |
[INFO] [stderr] 56 |             let bit7 = 0b01111111;
[INFO] [stderr]    |                        ^^^^^^^^^^ help: consider: `0b0111_1111`
[INFO] [stderr] ...
[INFO] [stderr] 74 | gen_write_var!(write_varint64, i64);
[INFO] [stderr]    | ------------------------------------ in this macro invocation
[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: unneeded return statement
[INFO] [stderr]   --> src/module.rs:25:21
[INFO] [stderr]    |
[INFO] [stderr] 25 |             None => return Err(i),
[INFO] [stderr]    |                     ^^^^^^^^^^^^^ help: remove `return` as shown: `Err(i)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/builder.rs:546:9
[INFO] [stderr]     |
[INFO] [stderr] 546 |         fb
[INFO] [stderr]     |         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/builder.rs:540:18
[INFO] [stderr]     |
[INFO] [stderr] 540 |           let fb = FunctionBuilder {
[INFO] [stderr]     |  __________________^
[INFO] [stderr] 541 | |             ty: ty,
[INFO] [stderr] 542 | |             args: args,
[INFO] [stderr] 543 | |             locals: Vec::new(),
[INFO] [stderr] 544 | |             cb: CodeBuilder::new(),
[INFO] [stderr] 545 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: casting i8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:60:24
[INFO] [stderr]    |
[INFO] [stderr] 60 |             while u != (end as $ty) {
[INFO] [stderr]    |                        ^^^^^^^^^^^^ help: try: `i32::from(end)`
[INFO] [stderr] ...
[INFO] [stderr] 73 | gen_write_var!(write_varint32, i32);
[INFO] [stderr]    | ------------------------------------ in this macro invocation
[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 i8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:60:24
[INFO] [stderr]    |
[INFO] [stderr] 60 |             while u != (end as $ty) {
[INFO] [stderr]    |                        ^^^^^^^^^^^^ help: try: `i64::from(end)`
[INFO] [stderr] ...
[INFO] [stderr] 74 | gen_write_var!(write_varint64, i64);
[INFO] [stderr]    | ------------------------------------ in this macro invocation
[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: for loop over `self.start`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]   --> src/module.rs:81:26
[INFO] [stderr]    |
[INFO] [stderr] 81 |             for index in self.start {
[INFO] [stderr]    |                          ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::for_loop_over_option)] on by default
[INFO] [stderr]    = help: consider replacing `for index in self.start` with `if let Some(index) = self.start`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/module.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 | /         if let &ImportKind::Function(_) = self {
[INFO] [stderr] 117 | |             true
[INFO] [stderr] 118 | |         } else {
[INFO] [stderr] 119 | |             false
[INFO] [stderr] 120 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 116 |         if let ImportKind::Function(_) = *self {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/module.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 | /         if let &ImportKind::Table(_) = self {
[INFO] [stderr] 125 | |             true
[INFO] [stderr] 126 | |         } else {
[INFO] [stderr] 127 | |             false
[INFO] [stderr] 128 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 124 |         if let ImportKind::Table(_) = *self {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/module.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 | /         if let &ImportKind::Memory(_) = self {
[INFO] [stderr] 133 | |             true
[INFO] [stderr] 134 | |         } else {
[INFO] [stderr] 135 | |             false
[INFO] [stderr] 136 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 132 |         if let ImportKind::Memory(_) = *self {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/module.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 | /         if let &ImportKind::Global(_) = self {
[INFO] [stderr] 141 | |             true
[INFO] [stderr] 142 | |         } else {
[INFO] [stderr] 143 | |             false
[INFO] [stderr] 144 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 140 |         if let ImportKind::Global(_) = *self {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/module.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 | /         match self {
[INFO] [stderr] 172 | |             &Function(ref id) => {
[INFO] [stderr] 173 | |                 size += write_uint8(buf, 0);
[INFO] [stderr] 174 | |                 size += write_varuint32(buf, **id);
[INFO] [stderr] ...   |
[INFO] [stderr] 194 | |
[INFO] [stderr] 195 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 171 |         match *self {
[INFO] [stderr] 172 |             Function(ref id) => {
[INFO] [stderr] 173 |                 size += write_uint8(buf, 0);
[INFO] [stderr] 174 |                 size += write_varuint32(buf, **id);
[INFO] [stderr] 175 |                 size
[INFO] [stderr] 176 |             }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/module.rs:258:9
[INFO] [stderr]     |
[INFO] [stderr] 258 | /         match self {
[INFO] [stderr] 259 | |             &Function(ref i) => {
[INFO] [stderr] 260 | |                 size += write_uint8(buf, 0);
[INFO] [stderr] 261 | |                 size += write_varuint32(buf, **i);
[INFO] [stderr] ...   |
[INFO] [stderr] 274 | |             }
[INFO] [stderr] 275 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 258 |         match *self {
[INFO] [stderr] 259 |             Function(ref i) => {
[INFO] [stderr] 260 |                 size += write_uint8(buf, 0);
[INFO] [stderr] 261 |                 size += write_varuint32(buf, **i);
[INFO] [stderr] 262 |             }
[INFO] [stderr] 263 |             Table(ref i) => {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/types.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 | /         match self {
[INFO] [stderr] 64 | |             &I32 => write_varint7(buf, -0x01),
[INFO] [stderr] 65 | |             &I64 => write_varint7(buf, -0x02),
[INFO] [stderr] 66 | |             &F32 => write_varint7(buf, -0x03),
[INFO] [stderr] 67 | |             &F64 => write_varint7(buf, -0x04),
[INFO] [stderr] 68 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 63 |         match *self {
[INFO] [stderr] 64 |             I32 => write_varint7(buf, -0x01),
[INFO] [stderr] 65 |             I64 => write_varint7(buf, -0x02),
[INFO] [stderr] 66 |             F32 => write_varint7(buf, -0x03),
[INFO] [stderr] 67 |             F64 => write_varint7(buf, -0x04),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]   --> src/types.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 | /         match &self.0 {
[INFO] [stderr] 75 | |             &Some(ref v) => v.dump(buf),
[INFO] [stderr] 76 | |             &None => write_varint7(buf, -0x40),
[INFO] [stderr] 77 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 74 |         match self.0 {
[INFO] [stderr] 75 |             Some(ref v) => v.dump(buf),
[INFO] [stderr] 76 |             None => write_varint7(buf, -0x40),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/types.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 | /         match self {
[INFO] [stderr] 85 | |             &AnyFunc => write_varint7(buf, -0x10),
[INFO] [stderr] 86 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 84 |         match *self {
[INFO] [stderr] 85 |             AnyFunc => write_varint7(buf, -0x10),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting i8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:60:24
[INFO] [stderr]    |
[INFO] [stderr] 60 |             while u != (end as $ty) {
[INFO] [stderr]    |                        ^^^^^^^^^^^^ help: try: `i32::from(end)`
[INFO] [stderr] ...
[INFO] [stderr] 73 | gen_write_var!(write_varint32, i32);
[INFO] [stderr]    | ------------------------------------ in this macro invocation
[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 i8 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:60:24
[INFO] [stderr]    |
[INFO] [stderr] 60 |             while u != (end as $ty) {
[INFO] [stderr]    |                        ^^^^^^^^^^^^ help: try: `i64::from(end)`
[INFO] [stderr] ...
[INFO] [stderr] 74 | gen_write_var!(write_varint64, i64);
[INFO] [stderr]    | ------------------------------------ in this macro invocation
[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: for loop over `self.start`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]   --> src/module.rs:81:26
[INFO] [stderr]    |
[INFO] [stderr] 81 |             for index in self.start {
[INFO] [stderr]    |                          ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::for_loop_over_option)] on by default
[INFO] [stderr]    = help: consider replacing `for index in self.start` with `if let Some(index) = self.start`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/module.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 | /         if let &ImportKind::Function(_) = self {
[INFO] [stderr] 117 | |             true
[INFO] [stderr] 118 | |         } else {
[INFO] [stderr] 119 | |             false
[INFO] [stderr] 120 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 116 |         if let ImportKind::Function(_) = *self {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/module.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 124 | /         if let &ImportKind::Table(_) = self {
[INFO] [stderr] 125 | |             true
[INFO] [stderr] 126 | |         } else {
[INFO] [stderr] 127 | |             false
[INFO] [stderr] 128 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 124 |         if let ImportKind::Table(_) = *self {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/module.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 | /         if let &ImportKind::Memory(_) = self {
[INFO] [stderr] 133 | |             true
[INFO] [stderr] 134 | |         } else {
[INFO] [stderr] 135 | |             false
[INFO] [stderr] 136 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 132 |         if let ImportKind::Memory(_) = *self {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/module.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 | /         if let &ImportKind::Global(_) = self {
[INFO] [stderr] 141 | |             true
[INFO] [stderr] 142 | |         } else {
[INFO] [stderr] 143 | |             false
[INFO] [stderr] 144 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 140 |         if let ImportKind::Global(_) = *self {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/module.rs:171:9
[INFO] [stderr]     |
[INFO] [stderr] 171 | /         match self {
[INFO] [stderr] 172 | |             &Function(ref id) => {
[INFO] [stderr] 173 | |                 size += write_uint8(buf, 0);
[INFO] [stderr] 174 | |                 size += write_varuint32(buf, **id);
[INFO] [stderr] ...   |
[INFO] [stderr] 194 | |
[INFO] [stderr] 195 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 171 |         match *self {
[INFO] [stderr] 172 |             Function(ref id) => {
[INFO] [stderr] 173 |                 size += write_uint8(buf, 0);
[INFO] [stderr] 174 |                 size += write_varuint32(buf, **id);
[INFO] [stderr] 175 |                 size
[INFO] [stderr] 176 |             }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/module.rs:258:9
[INFO] [stderr]     |
[INFO] [stderr] 258 | /         match self {
[INFO] [stderr] 259 | |             &Function(ref i) => {
[INFO] [stderr] 260 | |                 size += write_uint8(buf, 0);
[INFO] [stderr] 261 | |                 size += write_varuint32(buf, **i);
[INFO] [stderr] ...   |
[INFO] [stderr] 274 | |             }
[INFO] [stderr] 275 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 258 |         match *self {
[INFO] [stderr] 259 |             Function(ref i) => {
[INFO] [stderr] 260 |                 size += write_uint8(buf, 0);
[INFO] [stderr] 261 |                 size += write_varuint32(buf, **i);
[INFO] [stderr] 262 |             }
[INFO] [stderr] 263 |             Table(ref i) => {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/types.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 | /         match self {
[INFO] [stderr] 64 | |             &I32 => write_varint7(buf, -0x01),
[INFO] [stderr] 65 | |             &I64 => write_varint7(buf, -0x02),
[INFO] [stderr] 66 | |             &F32 => write_varint7(buf, -0x03),
[INFO] [stderr] 67 | |             &F64 => write_varint7(buf, -0x04),
[INFO] [stderr] 68 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 63 |         match *self {
[INFO] [stderr] 64 |             I32 => write_varint7(buf, -0x01),
[INFO] [stderr] 65 |             I64 => write_varint7(buf, -0x02),
[INFO] [stderr] 66 |             F32 => write_varint7(buf, -0x03),
[INFO] [stderr] 67 |             F64 => write_varint7(buf, -0x04),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to both the expression and the patterns
[INFO] [stderr]   --> src/types.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 | /         match &self.0 {
[INFO] [stderr] 75 | |             &Some(ref v) => v.dump(buf),
[INFO] [stderr] 76 | |             &None => write_varint7(buf, -0x40),
[INFO] [stderr] 77 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 74 |         match self.0 {
[INFO] [stderr] 75 |             Some(ref v) => v.dump(buf),
[INFO] [stderr] 76 |             None => write_varint7(buf, -0x40),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/types.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 | /         match self {
[INFO] [stderr] 85 | |             &AnyFunc => write_varint7(buf, -0x10),
[INFO] [stderr] 86 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]    |
[INFO] [stderr] 84 |         match *self {
[INFO] [stderr] 85 |             AnyFunc => write_varint7(buf, -0x10),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/ops.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 | /         match *self {
[INFO] [stderr] 186 | |             Op::Call { ref mut index } => {
[INFO] [stderr] 187 | |                 use InnerFunctionSpaceIndex::*;
[INFO] [stderr] 188 | |                 match index.0 {
[INFO] [stderr] ...   |
[INFO] [stderr] 195 | |             _ => (),
[INFO] [stderr] 196 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 185 |         if let Op::Call { ref mut index } = *self {
[INFO] [stderr] 186 |     use InnerFunctionSpaceIndex::*;
[INFO] [stderr] 187 |     match index.0 {
[INFO] [stderr] 188 |         Function(ref mut f) => {
[INFO] [stderr] 189 |             f.0 += nimports;
[INFO] [stderr] 190 |         }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/ops.rs:188:17
[INFO] [stderr]     |
[INFO] [stderr] 188 | /                 match index.0 {
[INFO] [stderr] 189 | |                     Function(ref mut f) => {
[INFO] [stderr] 190 | |                         f.0 += nimports;
[INFO] [stderr] 191 | |                     }
[INFO] [stderr] 192 | |                     _ => (),
[INFO] [stderr] 193 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 if let Function(ref mut f) = index.0 {
[INFO] [stderr] 189 |     f.0 += nimports;
[INFO] [stderr] 190 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/ops.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 | /         match self {
[INFO] [stderr] 215 | |             &Unreachable => size += write_uint8(buf, 0x00),
[INFO] [stderr] 216 | |             &Nop => size += write_uint8(buf, 0x01),
[INFO] [stderr] 217 | |             &Block { ref sig } => {
[INFO] [stderr] ...   |
[INFO] [stderr] 452 | |             &F64ReinterpretI64 => size += write_uint8(buf, 0xbf),
[INFO] [stderr] 453 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 214 |         match *self {
[INFO] [stderr] 215 |             Unreachable => size += write_uint8(buf, 0x00),
[INFO] [stderr] 216 |             Nop => size += write_uint8(buf, 0x01),
[INFO] [stderr] 217 |             Block { ref sig } => {
[INFO] [stderr] 218 |                 size += write_uint8(buf, 0x02);
[INFO] [stderr] 219 |                 size += sig.dump(buf);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `builder::ModuleBuilder`
[INFO] [stderr]   --> src/builder.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | /     pub fn new() -> Self {
[INFO] [stderr] 45 | |         ModuleBuilder(Module {
[INFO] [stderr] 46 | |                           unknown: None,
[INFO] [stderr] 47 | |                           types: None,
[INFO] [stderr] ...  |
[INFO] [stderr] 58 | |                       })
[INFO] [stderr] 59 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 43 | impl Default for builder::ModuleBuilder {
[INFO] [stderr] 44 |     fn default() -> Self {
[INFO] [stderr] 45 |         Self::new()
[INFO] [stderr] 46 |     }
[INFO] [stderr] 47 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/builder.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 | /                 match index.0 {
[INFO] [stderr] 85 | |                     Function(ref mut f) => {
[INFO] [stderr] 86 | |                         f.0 += nimports;
[INFO] [stderr] 87 | |                     }
[INFO] [stderr] 88 | |                     _ => (),
[INFO] [stderr] 89 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 if let Function(ref mut f) = index.0 {
[INFO] [stderr] 85 |     f.0 += nimports;
[INFO] [stderr] 86 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/builder.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         self.0.start.as_mut().map(|i| i.0 += nimports);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: try this: `if let Some(i) = self.0.start.as_mut() { ... }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::option_map_unit_fn)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `builder::CodeBuilder`
[INFO] [stderr]    --> src/builder.rs:321:5
[INFO] [stderr]     |
[INFO] [stderr] 321 | /     pub fn new() -> Self {
[INFO] [stderr] 322 | |         CodeBuilder { code: Vec::new() }
[INFO] [stderr] 323 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 269 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `web-assembler`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/ops.rs:185:9
[INFO] [stderr]     |
[INFO] [stderr] 185 | /         match *self {
[INFO] [stderr] 186 | |             Op::Call { ref mut index } => {
[INFO] [stderr] 187 | |                 use InnerFunctionSpaceIndex::*;
[INFO] [stderr] 188 | |                 match index.0 {
[INFO] [stderr] ...   |
[INFO] [stderr] 195 | |             _ => (),
[INFO] [stderr] 196 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 185 |         if let Op::Call { ref mut index } = *self {
[INFO] [stderr] 186 |     use InnerFunctionSpaceIndex::*;
[INFO] [stderr] 187 |     match index.0 {
[INFO] [stderr] 188 |         Function(ref mut f) => {
[INFO] [stderr] 189 |             f.0 += nimports;
[INFO] [stderr] 190 |         }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/ops.rs:188:17
[INFO] [stderr]     |
[INFO] [stderr] 188 | /                 match index.0 {
[INFO] [stderr] 189 | |                     Function(ref mut f) => {
[INFO] [stderr] 190 | |                         f.0 += nimports;
[INFO] [stderr] 191 | |                     }
[INFO] [stderr] 192 | |                     _ => (),
[INFO] [stderr] 193 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 if let Function(ref mut f) = index.0 {
[INFO] [stderr] 189 |     f.0 += nimports;
[INFO] [stderr] 190 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/ops.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 | /         match self {
[INFO] [stderr] 215 | |             &Unreachable => size += write_uint8(buf, 0x00),
[INFO] [stderr] 216 | |             &Nop => size += write_uint8(buf, 0x01),
[INFO] [stderr] 217 | |             &Block { ref sig } => {
[INFO] [stderr] ...   |
[INFO] [stderr] 452 | |             &F64ReinterpretI64 => size += write_uint8(buf, 0xbf),
[INFO] [stderr] 453 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 214 |         match *self {
[INFO] [stderr] 215 |             Unreachable => size += write_uint8(buf, 0x00),
[INFO] [stderr] 216 |             Nop => size += write_uint8(buf, 0x01),
[INFO] [stderr] 217 |             Block { ref sig } => {
[INFO] [stderr] 218 |                 size += write_uint8(buf, 0x02);
[INFO] [stderr] 219 |                 size += sig.dump(buf);
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `builder::ModuleBuilder`
[INFO] [stderr]   --> src/builder.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | /     pub fn new() -> Self {
[INFO] [stderr] 45 | |         ModuleBuilder(Module {
[INFO] [stderr] 46 | |                           unknown: None,
[INFO] [stderr] 47 | |                           types: None,
[INFO] [stderr] ...  |
[INFO] [stderr] 58 | |                       })
[INFO] [stderr] 59 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 43 | impl Default for builder::ModuleBuilder {
[INFO] [stderr] 44 |     fn default() -> Self {
[INFO] [stderr] 45 |         Self::new()
[INFO] [stderr] 46 |     }
[INFO] [stderr] 47 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/builder.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 | /                 match index.0 {
[INFO] [stderr] 85 | |                     Function(ref mut f) => {
[INFO] [stderr] 86 | |                         f.0 += nimports;
[INFO] [stderr] 87 | |                     }
[INFO] [stderr] 88 | |                     _ => (),
[INFO] [stderr] 89 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 if let Function(ref mut f) = index.0 {
[INFO] [stderr] 85 |     f.0 += nimports;
[INFO] [stderr] 86 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]   --> src/builder.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         self.0.start.as_mut().map(|i| i.0 += nimports);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: try this: `if let Some(i) = self.0.start.as_mut() { ... }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::option_map_unit_fn)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `builder::CodeBuilder`
[INFO] [stderr]    --> src/builder.rs:321:5
[INFO] [stderr]     |
[INFO] [stderr] 321 | /     pub fn new() -> Self {
[INFO] [stderr] 322 | |         CodeBuilder { code: Vec::new() }
[INFO] [stderr] 323 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 269 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `web-assembler`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e519ace117a7e0dc2e17e9876765d7b93027bef638c78ec3b93bfca1395f5f7a"`
[INFO] running `"docker" "rm" "-f" "e519ace117a7e0dc2e17e9876765d7b93027bef638c78ec3b93bfca1395f5f7a"`
[INFO] [stdout] e519ace117a7e0dc2e17e9876765d7b93027bef638c78ec3b93bfca1395f5f7a