Dec 17 18:30:22.893 INFO checking oberien/pdbextract against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 18:30:22.893 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/oberien/pdbextract:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 18:30:23.310 INFO [stdout] ab936e3ccd46e0e8bc5d07d1cb0309a6b633b8d24fc85b1b7048f3d5e75e0bf6
Dec 17 18:30:23.314 INFO running `"docker" "start" "-a" "ab936e3ccd46e0e8bc5d07d1cb0309a6b633b8d24fc85b1b7048f3d5e75e0bf6"`
Dec 17 18:30:24.696 INFO [stderr]     Checking memchr v2.0.1
Dec 17 18:30:24.696 INFO [stderr]     Checking multimap v0.4.0
Dec 17 18:30:24.696 INFO [stderr]     Checking pdb v0.2.0
Dec 17 18:30:24.728 INFO [stderr]     Checking backtrace v0.3.4
Dec 17 18:30:25.169 INFO [stderr]     Checking aho-corasick v0.6.4
Dec 17 18:30:25.380 INFO [stderr]     Checking failure v0.1.1
Dec 17 18:30:26.564 INFO [stderr]     Checking regex v0.2.3
Dec 17 18:30:28.617 INFO [stderr]     Checking pdbextract v0.1.0 (/opt/crater/workdir)
Dec 17 18:30:29.138 INFO [stderr] warning: unused import: `std::io::Write`
Dec 17 18:30:29.138 INFO [stderr]  --> src/ir/classes.rs:3:5
Dec 17 18:30:29.138 INFO [stderr]   |
Dec 17 18:30:29.140 INFO [stderr] 3 | use std::io::Write;
Dec 17 18:30:29.140 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 17 18:30:29.140 INFO [stderr]   |
Dec 17 18:30:29.140 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:30:29.140 INFO [stderr] 
Dec 17 18:30:29.144 INFO [stderr] warning: unused import: `multimap::MultiMap`
Dec 17 18:30:29.144 INFO [stderr]  --> src/ir/convert.rs:6:5
Dec 17 18:30:29.144 INFO [stderr]   |
Dec 17 18:30:29.144 INFO [stderr] 6 | use multimap::MultiMap;
Dec 17 18:30:29.144 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 18:30:29.144 INFO [stderr] 
Dec 17 18:30:29.163 INFO [stderr] warning: unused import: `std::io::Write`
Dec 17 18:30:29.163 INFO [stderr]  --> src/ir/classes.rs:3:5
Dec 17 18:30:29.163 INFO [stderr]   |
Dec 17 18:30:29.163 INFO [stderr] 3 | use std::io::Write;
Dec 17 18:30:29.163 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 17 18:30:29.163 INFO [stderr]   |
Dec 17 18:30:29.163 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 18:30:29.163 INFO [stderr] 
Dec 17 18:30:29.165 INFO [stderr] warning: unused import: `multimap::MultiMap`
Dec 17 18:30:29.165 INFO [stderr]  --> src/ir/convert.rs:6:5
Dec 17 18:30:29.165 INFO [stderr]   |
Dec 17 18:30:29.165 INFO [stderr] 6 | use multimap::MultiMap;
Dec 17 18:30:29.165 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 18:30:29.165 INFO [stderr] 
Dec 17 18:30:29.792 INFO [stderr] warning: unused variable: `position`
Dec 17 18:30:29.792 INFO [stderr]   --> src/ir/classes.rs:86:25
Dec 17 18:30:29.792 INFO [stderr]    |
Dec 17 18:30:29.792 INFO [stderr] 86 |             if let Some(position) = members.iter().position(|m| m.offset() == offset) {
Dec 17 18:30:29.793 INFO [stderr]    |                         ^^^^^^^^ help: consider using `_position` instead
Dec 17 18:30:29.793 INFO [stderr]    |
Dec 17 18:30:29.793 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 18:30:29.793 INFO [stderr] 
Dec 17 18:30:29.793 INFO [stderr] warning: unused variable: `name`
Dec 17 18:30:29.793 INFO [stderr]    --> src/ir/classes.rs:166:28
Dec 17 18:30:29.793 INFO [stderr]     |
Dec 17 18:30:29.793 INFO [stderr] 166 |     fn transform_bitfields(name: &Name, mut members: VecDeque<ClassMember>) -> VecDeque<ClassMember> {
Dec 17 18:30:29.793 INFO [stderr]     |                            ^^^^ help: consider using `_name` instead
Dec 17 18:30:29.793 INFO [stderr] 
Dec 17 18:30:29.793 INFO [stderr] warning: unused variable: `typ`
Dec 17 18:30:29.793 INFO [stderr]    --> src/ir/classes.rs:231:51
Dec 17 18:30:29.793 INFO [stderr]     |
Dec 17 18:30:29.793 INFO [stderr] 231 |             TypeData::VirtualFunctionTablePointer(typ) => Some(ClassMember::Vtable),
Dec 17 18:30:29.793 INFO [stderr]     |                                                   ^^^ help: consider using `_typ` instead
Dec 17 18:30:29.793 INFO [stderr] 
Dec 17 18:30:29.793 INFO [stderr] warning: unused variable: `kind`
Dec 17 18:30:29.793 INFO [stderr]    --> src/ir/classes.rs:261:41
Dec 17 18:30:29.793 INFO [stderr]     |
Dec 17 18:30:29.793 INFO [stderr] 261 |         let BaseClassType { attributes, kind, offset, base_class, .. } = class;
Dec 17 18:30:29.793 INFO [stderr]     |                                         ^^^^ help: try ignoring the field: `kind: _`
Dec 17 18:30:29.793 INFO [stderr] 
Dec 17 18:30:29.793 INFO [stderr] warning: unused variable: `base_pointer`
Dec 17 18:30:29.793 INFO [stderr]    --> src/ir/classes.rs:285:68
Dec 17 18:30:29.793 INFO [stderr]     |
Dec 17 18:30:29.793 INFO [stderr] 285 |         let VirtualBaseClassType { direct, attributes, base_class, base_pointer,
Dec 17 18:30:29.793 INFO [stderr]     |                                                                    ^^^^^^^^^^^^ help: try ignoring the field: `base_pointer: _`
Dec 17 18:30:29.793 INFO [stderr] 
Dec 17 18:30:29.793 INFO [stderr] warning: unused variable: `typ`
Dec 17 18:30:29.793 INFO [stderr]    --> src/ir/classes.rs:502:35
Dec 17 18:30:29.793 INFO [stderr]     |
Dec 17 18:30:29.793 INFO [stderr] 502 |             TypeData::Enumeration(typ) =>
Dec 17 18:30:29.793 INFO [stderr]     |                                   ^^^ help: consider using `_typ` instead
Dec 17 18:30:29.793 INFO [stderr] 
Dec 17 18:30:29.793 INFO [stderr] warning: unused variable: `nested`
Dec 17 18:30:29.793 INFO [stderr]   --> src/ir/unions.rs:27:46
Dec 17 18:30:29.793 INFO [stderr]    |
Dec 17 18:30:29.793 INFO [stderr] 27 |                             TypeData::Nested(nested) => {},
Dec 17 18:30:29.793 INFO [stderr]    |                                              ^^^^^^ help: consider using `_nested` instead
Dec 17 18:30:29.793 INFO [stderr] 
Dec 17 18:30:29.793 INFO [stderr] warning: unused variable: `arena`
Dec 17 18:30:29.793 INFO [stderr]  --> src/ir/size.rs:8:20
Dec 17 18:30:29.793 INFO [stderr]   |
Dec 17 18:30:29.793 INFO [stderr] 8 |     fn size(&self, arena: &Arena) -> usize {
Dec 17 18:30:29.793 INFO [stderr]   |                    ^^^^^ help: consider using `_arena` instead
Dec 17 18:30:29.793 INFO [stderr] 
Dec 17 18:30:29.793 INFO [stderr] warning: unused variable: `arena`
Dec 17 18:30:29.793 INFO [stderr]   --> src/ir/size.rs:64:20
Dec 17 18:30:29.793 INFO [stderr]    |
Dec 17 18:30:29.793 INFO [stderr] 64 |     fn size(&self, arena: &Arena) -> usize {
Dec 17 18:30:29.793 INFO [stderr]    |                    ^^^^^ help: consider using `_arena` instead
Dec 17 18:30:29.793 INFO [stderr] 
Dec 17 18:30:29.793 INFO [stderr] warning: unused variable: `arena`
Dec 17 18:30:29.793 INFO [stderr]    --> src/ir/size.rs:121:20
Dec 17 18:30:29.793 INFO [stderr]     |
Dec 17 18:30:29.793 INFO [stderr] 121 |     fn size(&self, arena: &Arena) -> usize {
Dec 17 18:30:29.793 INFO [stderr]     |                    ^^^^^ help: consider using `_arena` instead
Dec 17 18:30:29.793 INFO [stderr] 
Dec 17 18:30:29.797 INFO [stderr] warning: unused variable: `offset`
Dec 17 18:30:29.797 INFO [stderr]    --> src/ir/write.rs:220:37
Dec 17 18:30:29.797 INFO [stderr]     |
Dec 17 18:30:29.797 INFO [stderr] 220 |         let BaseClass { attributes, offset, base_class } = base;
Dec 17 18:30:29.797 INFO [stderr]     |                                     ^^^^^^ help: try ignoring the field: `offset: _`
Dec 17 18:30:29.797 INFO [stderr] 
Dec 17 18:30:29.800 INFO [stderr] warning: unused variable: `kind`
Dec 17 18:30:29.800 INFO [stderr]    --> src/ir/write.rs:222:27
Dec 17 18:30:29.800 INFO [stderr]     |
Dec 17 18:30:29.800 INFO [stderr] 222 |         let Class { name, kind, members, properties, size } = &self.arena[base_class];
Dec 17 18:30:29.800 INFO [stderr]     |                           ^^^^ help: try ignoring the field: `kind: _`
Dec 17 18:30:29.800 INFO [stderr] 
Dec 17 18:30:29.800 INFO [stderr] warning: unused variable: `properties`
Dec 17 18:30:29.800 INFO [stderr]    --> src/ir/write.rs:222:42
Dec 17 18:30:29.800 INFO [stderr]     |
Dec 17 18:30:29.800 INFO [stderr] 222 |         let Class { name, kind, members, properties, size } = &self.arena[base_class];
Dec 17 18:30:29.800 INFO [stderr]     |                                          ^^^^^^^^^^ help: try ignoring the field: `properties: _`
Dec 17 18:30:29.800 INFO [stderr] 
Dec 17 18:30:29.800 INFO [stderr] warning: unused variable: `base_pointer_offset`
Dec 17 18:30:29.800 INFO [stderr]    --> src/ir/write.rs:238:44
Dec 17 18:30:29.800 INFO [stderr]     |
Dec 17 18:30:29.800 INFO [stderr] 238 |         let VirtualBaseClass { attributes, base_pointer_offset, base_class, .. } = base;
Dec 17 18:30:29.800 INFO [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `base_pointer_offset: _`
Dec 17 18:30:29.800 INFO [stderr] 
Dec 17 18:30:29.800 INFO [stderr] warning: unused variable: `kind`
Dec 17 18:30:29.800 INFO [stderr]    --> src/ir/write.rs:240:27
Dec 17 18:30:29.800 INFO [stderr]     |
Dec 17 18:30:29.800 INFO [stderr] 240 |         let Class { name, kind, members, properties, size } = &self.arena[base_class];
Dec 17 18:30:29.800 INFO [stderr]     |                           ^^^^ help: try ignoring the field: `kind: _`
Dec 17 18:30:29.800 INFO [stderr] 
Dec 17 18:30:29.800 INFO [stderr] warning: unused variable: `properties`
Dec 17 18:30:29.801 INFO [stderr]    --> src/ir/write.rs:240:42
Dec 17 18:30:29.801 INFO [stderr]     |
Dec 17 18:30:29.801 INFO [stderr] 240 |         let Class { name, kind, members, properties, size } = &self.arena[base_class];
Dec 17 18:30:29.801 INFO [stderr]     |                                          ^^^^^^^^^^ help: try ignoring the field: `properties: _`
Dec 17 18:30:29.801 INFO [stderr] 
Dec 17 18:30:29.801 INFO [stderr] warning: unused variable: `fields`
Dec 17 18:30:29.801 INFO [stderr]    --> src/ir/write.rs:381:24
Dec 17 18:30:29.801 INFO [stderr]     |
Dec 17 18:30:29.801 INFO [stderr] 381 |         let Bitfield { fields } = b;
Dec 17 18:30:29.801 INFO [stderr]     |                        ^^^^^^ help: try ignoring the field: `fields: _`
Dec 17 18:30:29.801 INFO [stderr] 
Dec 17 18:30:29.801 INFO [stderr] warning: unused variable: `constant`
Dec 17 18:30:29.801 INFO [stderr]    --> src/ir/write.rs:411:36
Dec 17 18:30:29.801 INFO [stderr]     |
Dec 17 18:30:29.801 INFO [stderr] 411 |         let Modifier { underlying, constant, .. } = m;
Dec 17 18:30:29.801 INFO [stderr]     |                                    ^^^^^^^^ help: try ignoring the field: `constant: _`
Dec 17 18:30:29.801 INFO [stderr] 
Dec 17 18:30:29.913 INFO [stderr] warning: unused variable: `position`
Dec 17 18:30:29.913 INFO [stderr]   --> src/ir/classes.rs:86:25
Dec 17 18:30:29.913 INFO [stderr]    |
Dec 17 18:30:29.913 INFO [stderr] 86 |             if let Some(position) = members.iter().position(|m| m.offset() == offset) {
Dec 17 18:30:29.913 INFO [stderr]    |                         ^^^^^^^^ help: consider using `_position` instead
Dec 17 18:30:29.913 INFO [stderr]    |
Dec 17 18:30:29.913 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 18:30:29.913 INFO [stderr] 
Dec 17 18:30:29.913 INFO [stderr] warning: unused variable: `name`
Dec 17 18:30:29.913 INFO [stderr]    --> src/ir/classes.rs:166:28
Dec 17 18:30:29.913 INFO [stderr]     |
Dec 17 18:30:29.913 INFO [stderr] 166 |     fn transform_bitfields(name: &Name, mut members: VecDeque<ClassMember>) -> VecDeque<ClassMember> {
Dec 17 18:30:29.913 INFO [stderr]     |                            ^^^^ help: consider using `_name` instead
Dec 17 18:30:29.913 INFO [stderr] 
Dec 17 18:30:29.913 INFO [stderr] warning: unused variable: `typ`
Dec 17 18:30:29.913 INFO [stderr]    --> src/ir/classes.rs:231:51
Dec 17 18:30:29.913 INFO [stderr]     |
Dec 17 18:30:29.913 INFO [stderr] 231 |             TypeData::VirtualFunctionTablePointer(typ) => Some(ClassMember::Vtable),
Dec 17 18:30:29.913 INFO [stderr]     |                                                   ^^^ help: consider using `_typ` instead
Dec 17 18:30:29.913 INFO [stderr] 
Dec 17 18:30:29.913 INFO [stderr] warning: unused variable: `kind`
Dec 17 18:30:29.913 INFO [stderr]    --> src/ir/classes.rs:261:41
Dec 17 18:30:29.913 INFO [stderr]     |
Dec 17 18:30:29.913 INFO [stderr] 261 |         let BaseClassType { attributes, kind, offset, base_class, .. } = class;
Dec 17 18:30:29.913 INFO [stderr]     |                                         ^^^^ help: try ignoring the field: `kind: _`
Dec 17 18:30:29.913 INFO [stderr] 
Dec 17 18:30:29.913 INFO [stderr] warning: unused variable: `base_pointer`
Dec 17 18:30:29.913 INFO [stderr]    --> src/ir/classes.rs:285:68
Dec 17 18:30:29.913 INFO [stderr]     |
Dec 17 18:30:29.913 INFO [stderr] 285 |         let VirtualBaseClassType { direct, attributes, base_class, base_pointer,
Dec 17 18:30:29.913 INFO [stderr]     |                                                                    ^^^^^^^^^^^^ help: try ignoring the field: `base_pointer: _`
Dec 17 18:30:29.913 INFO [stderr] 
Dec 17 18:30:29.913 INFO [stderr] warning: unused variable: `typ`
Dec 17 18:30:29.913 INFO [stderr]    --> src/ir/classes.rs:502:35
Dec 17 18:30:29.914 INFO [stderr]     |
Dec 17 18:30:29.914 INFO [stderr] 502 |             TypeData::Enumeration(typ) =>
Dec 17 18:30:29.914 INFO [stderr]     |                                   ^^^ help: consider using `_typ` instead
Dec 17 18:30:29.914 INFO [stderr] 
Dec 17 18:30:29.914 INFO [stderr] warning: unused variable: `nested`
Dec 17 18:30:29.914 INFO [stderr]   --> src/ir/unions.rs:27:46
Dec 17 18:30:29.914 INFO [stderr]    |
Dec 17 18:30:29.914 INFO [stderr] 27 |                             TypeData::Nested(nested) => {},
Dec 17 18:30:29.914 INFO [stderr]    |                                              ^^^^^^ help: consider using `_nested` instead
Dec 17 18:30:29.914 INFO [stderr] 
Dec 17 18:30:29.914 INFO [stderr] warning: unused variable: `arena`
Dec 17 18:30:29.914 INFO [stderr]  --> src/ir/size.rs:8:20
Dec 17 18:30:29.914 INFO [stderr]   |
Dec 17 18:30:29.914 INFO [stderr] 8 |     fn size(&self, arena: &Arena) -> usize {
Dec 17 18:30:29.914 INFO [stderr]   |                    ^^^^^ help: consider using `_arena` instead
Dec 17 18:30:29.914 INFO [stderr] 
Dec 17 18:30:29.914 INFO [stderr] warning: unused variable: `arena`
Dec 17 18:30:29.914 INFO [stderr]   --> src/ir/size.rs:64:20
Dec 17 18:30:29.914 INFO [stderr]    |
Dec 17 18:30:29.914 INFO [stderr] 64 |     fn size(&self, arena: &Arena) -> usize {
Dec 17 18:30:29.914 INFO [stderr]    |                    ^^^^^ help: consider using `_arena` instead
Dec 17 18:30:29.914 INFO [stderr] 
Dec 17 18:30:29.914 INFO [stderr] warning: unused variable: `arena`
Dec 17 18:30:29.914 INFO [stderr]    --> src/ir/size.rs:121:20
Dec 17 18:30:29.914 INFO [stderr]     |
Dec 17 18:30:29.914 INFO [stderr] 121 |     fn size(&self, arena: &Arena) -> usize {
Dec 17 18:30:29.914 INFO [stderr]     |                    ^^^^^ help: consider using `_arena` instead
Dec 17 18:30:29.914 INFO [stderr] 
Dec 17 18:30:29.914 INFO [stderr] warning: unused variable: `offset`
Dec 17 18:30:29.914 INFO [stderr]    --> src/ir/write.rs:220:37
Dec 17 18:30:29.914 INFO [stderr]     |
Dec 17 18:30:29.914 INFO [stderr] 220 |         let BaseClass { attributes, offset, base_class } = base;
Dec 17 18:30:29.914 INFO [stderr]     |                                     ^^^^^^ help: try ignoring the field: `offset: _`
Dec 17 18:30:29.914 INFO [stderr] 
Dec 17 18:30:29.914 INFO [stderr] warning: unused variable: `kind`
Dec 17 18:30:29.914 INFO [stderr]    --> src/ir/write.rs:222:27
Dec 17 18:30:29.914 INFO [stderr]     |
Dec 17 18:30:29.914 INFO [stderr] 222 |         let Class { name, kind, members, properties, size } = &self.arena[base_class];
Dec 17 18:30:29.914 INFO [stderr]     |                           ^^^^ help: try ignoring the field: `kind: _`
Dec 17 18:30:29.914 INFO [stderr] 
Dec 17 18:30:29.914 INFO [stderr] warning: unused variable: `properties`
Dec 17 18:30:29.914 INFO [stderr]    --> src/ir/write.rs:222:42
Dec 17 18:30:29.914 INFO [stderr]     |
Dec 17 18:30:29.914 INFO [stderr] 222 |         let Class { name, kind, members, properties, size } = &self.arena[base_class];
Dec 17 18:30:29.914 INFO [stderr]     |                                          ^^^^^^^^^^ help: try ignoring the field: `properties: _`
Dec 17 18:30:29.914 INFO [stderr] 
Dec 17 18:30:29.914 INFO [stderr] warning: unused variable: `base_pointer_offset`
Dec 17 18:30:29.914 INFO [stderr]    --> src/ir/write.rs:238:44
Dec 17 18:30:29.914 INFO [stderr]     |
Dec 17 18:30:29.914 INFO [stderr] 238 |         let VirtualBaseClass { attributes, base_pointer_offset, base_class, .. } = base;
Dec 17 18:30:29.914 INFO [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `base_pointer_offset: _`
Dec 17 18:30:29.914 INFO [stderr] 
Dec 17 18:30:29.914 INFO [stderr] warning: unused variable: `kind`
Dec 17 18:30:29.914 INFO [stderr]    --> src/ir/write.rs:240:27
Dec 17 18:30:29.914 INFO [stderr]     |
Dec 17 18:30:29.914 INFO [stderr] 240 |         let Class { name, kind, members, properties, size } = &self.arena[base_class];
Dec 17 18:30:29.914 INFO [stderr]     |                           ^^^^ help: try ignoring the field: `kind: _`
Dec 17 18:30:29.914 INFO [stderr] 
Dec 17 18:30:29.914 INFO [stderr] warning: unused variable: `properties`
Dec 17 18:30:29.914 INFO [stderr]    --> src/ir/write.rs:240:42
Dec 17 18:30:29.914 INFO [stderr]     |
Dec 17 18:30:29.914 INFO [stderr] 240 |         let Class { name, kind, members, properties, size } = &self.arena[base_class];
Dec 17 18:30:29.914 INFO [stderr]     |                                          ^^^^^^^^^^ help: try ignoring the field: `properties: _`
Dec 17 18:30:29.914 INFO [stderr] 
Dec 17 18:30:29.924 INFO [stderr] warning: unused variable: `fields`
Dec 17 18:30:29.924 INFO [stderr]    --> src/ir/write.rs:381:24
Dec 17 18:30:29.924 INFO [stderr]     |
Dec 17 18:30:29.924 INFO [stderr] 381 |         let Bitfield { fields } = b;
Dec 17 18:30:29.924 INFO [stderr]     |                        ^^^^^^ help: try ignoring the field: `fields: _`
Dec 17 18:30:29.924 INFO [stderr] 
Dec 17 18:30:29.924 INFO [stderr] warning: unused variable: `constant`
Dec 17 18:30:29.924 INFO [stderr]    --> src/ir/write.rs:411:36
Dec 17 18:30:29.924 INFO [stderr]     |
Dec 17 18:30:29.924 INFO [stderr] 411 |         let Modifier { underlying, constant, .. } = m;
Dec 17 18:30:29.924 INFO [stderr]     |                                    ^^^^^^^^ help: try ignoring the field: `constant: _`
Dec 17 18:30:29.924 INFO [stderr] 
Dec 17 18:30:29.956 INFO [stderr] warning: variable does not need to be mutable
Dec 17 18:30:29.956 INFO [stderr]   --> src/ir/classes.rs:94:25
Dec 17 18:30:29.956 INFO [stderr]    |
Dec 17 18:30:29.956 INFO [stderr] 94 |                     let mut union_struct: Vec<_> = members.drain(..position+1).collect();
Dec 17 18:30:29.956 INFO [stderr]    |                         ----^^^^^^^^^^^^
Dec 17 18:30:29.956 INFO [stderr]    |                         |
Dec 17 18:30:29.956 INFO [stderr]    |                         help: remove this `mut`
Dec 17 18:30:29.956 INFO [stderr]    |
Dec 17 18:30:29.956 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 18:30:29.956 INFO [stderr] 
Dec 17 18:30:30.004 INFO [stderr] warning: variable does not need to be mutable
Dec 17 18:30:30.004 INFO [stderr]   --> src/ir/classes.rs:94:25
Dec 17 18:30:30.004 INFO [stderr]    |
Dec 17 18:30:30.004 INFO [stderr] 94 |                     let mut union_struct: Vec<_> = members.drain(..position+1).collect();
Dec 17 18:30:30.004 INFO [stderr]    |                         ----^^^^^^^^^^^^
Dec 17 18:30:30.004 INFO [stderr]    |                         |
Dec 17 18:30:30.004 INFO [stderr]    |                         help: remove this `mut`
Dec 17 18:30:30.004 INFO [stderr]    |
Dec 17 18:30:30.004 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 18:30:30.004 INFO [stderr] 
Dec 17 18:30:30.212 INFO [stderr] warning: the feature `match_default_bindings` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 17 18:30:30.212 INFO [stderr]  --> src/lib.rs:2:12
Dec 17 18:30:30.212 INFO [stderr]   |
Dec 17 18:30:30.212 INFO [stderr] 2 | #![feature(match_default_bindings)]
Dec 17 18:30:30.212 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:30:30.212 INFO [stderr]   |
Dec 17 18:30:30.212 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 17 18:30:30.212 INFO [stderr] 
Dec 17 18:30:30.324 INFO [stderr] warning: the feature `match_default_bindings` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 17 18:30:30.324 INFO [stderr]  --> src/lib.rs:2:12
Dec 17 18:30:30.324 INFO [stderr]   |
Dec 17 18:30:30.324 INFO [stderr] 2 | #![feature(match_default_bindings)]
Dec 17 18:30:30.324 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:30:30.324 INFO [stderr]   |
Dec 17 18:30:30.324 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 17 18:30:30.324 INFO [stderr] 
Dec 17 18:30:30.814 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.21s
Dec 17 18:30:31.616 INFO running `"docker" "inspect" "ab936e3ccd46e0e8bc5d07d1cb0309a6b633b8d24fc85b1b7048f3d5e75e0bf6"`
Dec 17 18:30:31.862 INFO running `"docker" "rm" "-f" "ab936e3ccd46e0e8bc5d07d1cb0309a6b633b8d24fc85b1b7048f3d5e75e0bf6"`
Dec 17 18:30:32.168 INFO [stdout] ab936e3ccd46e0e8bc5d07d1cb0309a6b633b8d24fc85b1b7048f3d5e75e0bf6