[INFO] updating cached repository lbcdec/lbcdec
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lbcdec/lbcdec
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lbcdec/lbcdec" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/lbcdec/lbcdec"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/lbcdec/lbcdec'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lbcdec/lbcdec" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/lbcdec/lbcdec"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/lbcdec/lbcdec'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] db7d3f95ae6dac9e6d9e1b86829896954abea6d1
[INFO] sha for GitHub repo lbcdec/lbcdec: db7d3f95ae6dac9e6d9e1b86829896954abea6d1
[INFO] validating manifest of lbcdec/lbcdec on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lbcdec/lbcdec on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lbcdec/lbcdec
[INFO] finished frobbing lbcdec/lbcdec
[INFO] frobbed toml for lbcdec/lbcdec written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/lbcdec/lbcdec/Cargo.toml
[INFO] started frobbing lbcdec/lbcdec
[INFO] finished frobbing lbcdec/lbcdec
[INFO] frobbed toml for lbcdec/lbcdec written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/lbcdec/lbcdec/Cargo.toml
[INFO] crate lbcdec/lbcdec already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lbcdec/lbcdec against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-0/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/lbcdec/lbcdec:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5deb9b4734914d9e7ad686ccfcd02f415e2e72d86596973e377536cc24651264
[INFO] running `"docker" "start" "-a" "5deb9b4734914d9e7ad686ccfcd02f415e2e72d86596973e377536cc24651264"`
[INFO] [stderr]     Checking obstack v0.1.3
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking tempfile v3.0.3
[INFO] [stderr]     Checking lbcdec v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Left`, `Right`
[INFO] [stderr]   --> src/main.rs:47:22
[INFO] [stderr]    |
[INFO] [stderr] 47 | use either::{Either, Left, Right};
[INFO] [stderr]    |                      ^^^^  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `obstack`
[INFO] [stderr]  --> src/ast/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use obstack;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Either`
[INFO] [stderr]  --> src/instruction_definitions.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::Either;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Count`, `RK`, `UsageType`
[INFO] [stderr]  --> src/ralloc.rs:5:71
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::instruction_definitions::{LuaInstruction, InstructionInfo, UsageType, Count, RegOrTop, Reg, RK};
[INFO] [stderr]   |                                                                       ^^^^^^^^^  ^^^^^                 ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Left`, `Right`
[INFO] [stderr]   --> src/main.rs:47:22
[INFO] [stderr]    |
[INFO] [stderr] 47 | use either::{Either, Left, Right};
[INFO] [stderr]    |                      ^^^^  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `obstack`
[INFO] [stderr]  --> src/ast/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use obstack;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Either`
[INFO] [stderr]  --> src/instruction_definitions.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::Either;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Count`, `RK`, `UsageType`
[INFO] [stderr]  --> src/ralloc.rs:5:71
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::instruction_definitions::{LuaInstruction, InstructionInfo, UsageType, Count, RegOrTop, Reg, RK};
[INFO] [stderr]   |                                                                       ^^^^^^^^^  ^^^^^                 ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/instruction_definitions.rs:405:21
[INFO] [stderr]     |
[INFO] [stderr] 405 |                       _ => unimplemented!()
[INFO] [stderr]     |                       ^
[INFO] [stderr] ...
[INFO] [stderr] 544 | /         handle_fold! {
[INFO] [stderr] 545 | |             Move { dest, source } => {
[INFO] [stderr] 546 | |                 read source,
[INFO] [stderr] 547 | |                 write dest,
[INFO] [stderr] ...   |
[INFO] [stderr] 633 | |             SemanticNoOp => {}
[INFO] [stderr] 634 | |         }
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]     --> src/view_context/mod.rs:1606:29
[INFO] [stderr]      |
[INFO] [stderr] 1606 |                 ref instr @ _ => panic!("Unimplemented instruction: {:?}", instr),
[INFO] [stderr]      |                             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `usage`
[INFO] [stderr]    --> src/instruction_definitions.rs:288:35
[INFO] [stderr]     |
[INFO] [stderr] 288 |         self.fold_io((), |_, reg, usage| {
[INFO] [stderr]     |                                   ^^^^^ help: consider prefixing with an underscore: `_usage`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `repeat_until_index` is assigned to, but never used
[INFO] [stderr]    --> src/view_context/mod.rs:895:21
[INFO] [stderr]     |
[INFO] [stderr] 895 |             let mut repeat_until_index = 0;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_repeat_until_index` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/instruction_definitions.rs:405:21
[INFO] [stderr]     |
[INFO] [stderr] 405 |                       _ => unimplemented!()
[INFO] [stderr]     |                       ^
[INFO] [stderr] ...
[INFO] [stderr] 544 | /         handle_fold! {
[INFO] [stderr] 545 | |             Move { dest, source } => {
[INFO] [stderr] 546 | |                 read source,
[INFO] [stderr] 547 | |                 write dest,
[INFO] [stderr] ...   |
[INFO] [stderr] 633 | |             SemanticNoOp => {}
[INFO] [stderr] 634 | |         }
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]     --> src/view_context/mod.rs:1606:29
[INFO] [stderr]      |
[INFO] [stderr] 1606 |                 ref instr @ _ => panic!("Unimplemented instruction: {:?}", instr),
[INFO] [stderr]      |                             ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `usage`
[INFO] [stderr]    --> src/instruction_definitions.rs:288:35
[INFO] [stderr]     |
[INFO] [stderr] 288 |         self.fold_io((), |_, reg, usage| {
[INFO] [stderr]     |                                   ^^^^^ help: consider prefixing with an underscore: `_usage`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `repeat_until_index` is assigned to, but never used
[INFO] [stderr]    --> src/view_context/mod.rs:895:21
[INFO] [stderr]     |
[INFO] [stderr] 895 |             let mut repeat_until_index = 0;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_repeat_until_index` instead
[INFO] [stderr] 
[INFO] [stderr] warning: private type `ast::Block<'ctx>` in public interface (error E0446)
[INFO] [stderr]   --> src/ast/mod.rs:65:10
[INFO] [stderr]    |
[INFO] [stderr] 65 |     Do { block: Block<'ctx> }
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(private_in_public)] on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ASTContext`
[INFO] [stderr]  --> src/ast/mod.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct ASTContext {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Scope`
[INFO] [stderr]   --> src/ast/mod.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct Scope<'parent, 'ctx: 'parent> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Block`
[INFO] [stderr]   --> src/ast/mod.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | struct Block<'ctx> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]   --> src/ast/mod.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | struct Node<T: Sized> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `StatementNode`
[INFO] [stderr]   --> src/ast/mod.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | struct StatementNode<'ctx, T: Sized> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `StatLocalDecl`
[INFO] [stderr]   --> src/ast/mod.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub struct StatLocalDecl { // <'ctx> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Statement`
[INFO] [stderr]   --> src/ast/mod.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub enum Statement<'ctx> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_reg`
[INFO] [stderr]   --> src/instruction_definitions.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn as_reg(self) -> Option<Reg> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_reg_mut`
[INFO] [stderr]   --> src/instruction_definitions.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn as_reg_mut(&mut self) -> Option<&mut Reg> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `InstructionIO`
[INFO] [stderr]    --> src/instruction_definitions.rs:216:1
[INFO] [stderr]     |
[INFO] [stderr] 216 | pub enum InstructionIO {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `base`
[INFO] [stderr]    --> src/instruction_definitions.rs:249:5
[INFO] [stderr]     |
[INFO] [stderr] 249 |     pub fn base(&self) -> Option<Reg> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `does_use`
[INFO] [stderr]    --> src/instruction_definitions.rs:286:5
[INFO] [stderr]     |
[INFO] [stderr] 286 |     pub fn does_use<F: FnMut(Reg) -> bool>(&self, mut func: F) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `does_read`
[INFO] [stderr]    --> src/instruction_definitions.rs:299:5
[INFO] [stderr]     |
[INFO] [stderr] 299 |     pub fn does_read(&self, r: Reg) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `a`
[INFO] [stderr]   --> src/instruction_decoder.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     a: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `a`
[INFO] [stderr]   --> src/instruction_decoder.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     a: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Incoming`
[INFO] [stderr]   --> src/ralloc.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Incoming,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Outgoing`
[INFO] [stderr]   --> src/ralloc.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Outgoing
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `stack`
[INFO] [stderr]   --> src/ralloc.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn stack(&self) -> Option<&StackData> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `free_form`
[INFO] [stderr]   --> src/ralloc.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn free_form(&self) -> Option<&FreeFormData> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `does_read`
[INFO] [stderr]    --> src/ralloc.rs:547:5
[INFO] [stderr]     |
[INFO] [stderr] 547 |     fn does_read(&self, pc: usize, reg: Reg) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SetUpvalueViewData`
[INFO] [stderr]   --> src/view/view_data.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub struct SetUpvalueViewData(pub AssignmentInfo);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: private type `ast::Block<'ctx>` in public interface (error E0446)
[INFO] [stderr]   --> src/ast/mod.rs:65:10
[INFO] [stderr]    |
[INFO] [stderr] 65 |     Do { block: Block<'ctx> }
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(private_in_public)] on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ASTContext`
[INFO] [stderr]  --> src/ast/mod.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct ASTContext {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Scope`
[INFO] [stderr]   --> src/ast/mod.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct Scope<'parent, 'ctx: 'parent> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Block`
[INFO] [stderr]   --> src/ast/mod.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | struct Block<'ctx> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]   --> src/ast/mod.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | struct Node<T: Sized> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `StatementNode`
[INFO] [stderr]   --> src/ast/mod.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | struct StatementNode<'ctx, T: Sized> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `StatLocalDecl`
[INFO] [stderr]   --> src/ast/mod.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub struct StatLocalDecl { // <'ctx> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Statement`
[INFO] [stderr]   --> src/ast/mod.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub enum Statement<'ctx> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_reg`
[INFO] [stderr]   --> src/instruction_definitions.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn as_reg(self) -> Option<Reg> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_reg_mut`
[INFO] [stderr]   --> src/instruction_definitions.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn as_reg_mut(&mut self) -> Option<&mut Reg> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `InstructionIO`
[INFO] [stderr]    --> src/instruction_definitions.rs:216:1
[INFO] [stderr]     |
[INFO] [stderr] 216 | pub enum InstructionIO {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `base`
[INFO] [stderr]    --> src/instruction_definitions.rs:249:5
[INFO] [stderr]     |
[INFO] [stderr] 249 |     pub fn base(&self) -> Option<Reg> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `does_use`
[INFO] [stderr]    --> src/instruction_definitions.rs:286:5
[INFO] [stderr]     |
[INFO] [stderr] 286 |     pub fn does_use<F: FnMut(Reg) -> bool>(&self, mut func: F) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `does_read`
[INFO] [stderr]    --> src/instruction_definitions.rs:299:5
[INFO] [stderr]     |
[INFO] [stderr] 299 |     pub fn does_read(&self, r: Reg) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `a`
[INFO] [stderr]   --> src/instruction_decoder.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     a: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `a`
[INFO] [stderr]   --> src/instruction_decoder.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     a: u8,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Incoming`
[INFO] [stderr]   --> src/ralloc.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Incoming,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Outgoing`
[INFO] [stderr]   --> src/ralloc.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Outgoing
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `stack`
[INFO] [stderr]   --> src/ralloc.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn stack(&self) -> Option<&StackData> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `free_form`
[INFO] [stderr]   --> src/ralloc.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn free_form(&self) -> Option<&FreeFormData> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `does_read`
[INFO] [stderr]    --> src/ralloc.rs:547:5
[INFO] [stderr]     |
[INFO] [stderr] 547 |     fn does_read(&self, pc: usize, reg: Reg) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SetUpvalueViewData`
[INFO] [stderr]   --> src/view/view_data.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub struct SetUpvalueViewData(pub AssignmentInfo);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.16s
[INFO] running `"docker" "inspect" "5deb9b4734914d9e7ad686ccfcd02f415e2e72d86596973e377536cc24651264"`
[INFO] running `"docker" "rm" "-f" "5deb9b4734914d9e7ad686ccfcd02f415e2e72d86596973e377536cc24651264"`
[INFO] [stdout] 5deb9b4734914d9e7ad686ccfcd02f415e2e72d86596973e377536cc24651264