Nov 29 23:33:40.420 INFO checking lbcdec/lbcdec against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 23:33:40.420 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 29 23:33:40.615 INFO [stdout] 44f7e77f14fc2aadfad3fd1360ec6212739f6b754797c576e6d7559e625d1ae8
Nov 29 23:33:40.622 INFO running `"docker" "start" "-a" "44f7e77f14fc2aadfad3fd1360ec6212739f6b754797c576e6d7559e625d1ae8"`
Nov 29 23:33:41.008 INFO [stderr] usermod: no changes
Nov 29 23:33:41.196 INFO [stderr]     Checking obstack v0.1.3
Nov 29 23:33:41.204 INFO [stderr]     Checking rand v0.5.4
Nov 29 23:33:41.204 INFO [stderr]     Checking smallvec v0.6.3
Nov 29 23:33:41.208 INFO [stderr]     Checking regex v1.0.0
Nov 29 23:33:41.208 INFO [stderr]     Checking rayon-core v1.4.1
Nov 29 23:33:42.879 INFO [stderr]     Checking rayon v1.0.2
Nov 29 23:33:44.504 INFO [stderr]     Checking tempfile v3.0.3
Nov 29 23:33:44.822 INFO [stderr]     Checking env_logger v0.5.10
Nov 29 23:33:46.979 INFO [stderr]     Checking lbcdec v0.1.0 (/source)
Nov 29 23:33:48.640 INFO [stderr] warning: unused import: `obstack`
Nov 29 23:33:48.640 INFO [stderr]  --> src/ast/mod.rs:6:5
Nov 29 23:33:48.640 INFO [stderr]   |
Nov 29 23:33:48.640 INFO [stderr] 6 | use obstack;
Nov 29 23:33:48.640 INFO [stderr]   |     ^^^^^^^
Nov 29 23:33:48.640 INFO [stderr]   |
Nov 29 23:33:48.640 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 23:33:48.640 INFO [stderr] 
Nov 29 23:33:48.672 INFO [stderr] warning: unused import: `obstack`
Nov 29 23:33:48.672 INFO [stderr]  --> src/ast/mod.rs:6:5
Nov 29 23:33:48.672 INFO [stderr]   |
Nov 29 23:33:48.672 INFO [stderr] 6 | use obstack;
Nov 29 23:33:48.672 INFO [stderr]   |     ^^^^^^^
Nov 29 23:33:48.672 INFO [stderr]   |
Nov 29 23:33:48.672 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 23:33:48.672 INFO [stderr] 
Nov 29 23:33:50.182 INFO [stderr] warning: private type `ast::Block<'ctx>` in public interface (error E0446)
Nov 29 23:33:50.182 INFO [stderr]   --> src/ast/mod.rs:65:10
Nov 29 23:33:50.182 INFO [stderr]    |
Nov 29 23:33:50.182 INFO [stderr] 65 |     Do { block: Block<'ctx> }
Nov 29 23:33:50.182 INFO [stderr]    |          ^^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.182 INFO [stderr]    |
Nov 29 23:33:50.182 INFO [stderr]    = note: #[warn(private_in_public)] on by default
Nov 29 23:33:50.182 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!
Nov 29 23:33:50.182 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Nov 29 23:33:50.182 INFO [stderr] 
Nov 29 23:33:50.206 INFO [stderr] warning: unreachable pattern
Nov 29 23:33:50.206 INFO [stderr]     --> src/view_context/mod.rs:1408:29
Nov 29 23:33:50.206 INFO [stderr]      |
Nov 29 23:33:50.206 INFO [stderr] 1408 |                 ref instr @ _ => panic!("Unimplemented instruction: {:?}", instr),
Nov 29 23:33:50.206 INFO [stderr]      |                             ^
Nov 29 23:33:50.206 INFO [stderr]      |
Nov 29 23:33:50.206 INFO [stderr]      = note: #[warn(unreachable_patterns)] on by default
Nov 29 23:33:50.206 INFO [stderr] 
Nov 29 23:33:50.276 INFO [stderr] warning: private type `ast::Block<'ctx>` in public interface (error E0446)
Nov 29 23:33:50.276 INFO [stderr]   --> src/ast/mod.rs:65:10
Nov 29 23:33:50.276 INFO [stderr]    |
Nov 29 23:33:50.276 INFO [stderr] 65 |     Do { block: Block<'ctx> }
Nov 29 23:33:50.276 INFO [stderr]    |          ^^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.276 INFO [stderr]    |
Nov 29 23:33:50.276 INFO [stderr]    = note: #[warn(private_in_public)] on by default
Nov 29 23:33:50.276 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!
Nov 29 23:33:50.276 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Nov 29 23:33:50.276 INFO [stderr] 
Nov 29 23:33:50.291 INFO [stderr] warning: unreachable pattern
Nov 29 23:33:50.291 INFO [stderr]     --> src/view_context/mod.rs:1408:29
Nov 29 23:33:50.291 INFO [stderr]      |
Nov 29 23:33:50.291 INFO [stderr] 1408 |                 ref instr @ _ => panic!("Unimplemented instruction: {:?}", instr),
Nov 29 23:33:50.292 INFO [stderr]      |                             ^
Nov 29 23:33:50.292 INFO [stderr]      |
Nov 29 23:33:50.292 INFO [stderr]      = note: #[warn(unreachable_patterns)] on by default
Nov 29 23:33:50.292 INFO [stderr] 
Nov 29 23:33:50.812 INFO [stderr] warning: struct is never constructed: `ASTContext`
Nov 29 23:33:50.812 INFO [stderr]  --> src/ast/mod.rs:9:1
Nov 29 23:33:50.812 INFO [stderr]   |
Nov 29 23:33:50.812 INFO [stderr] 9 | struct ASTContext {
Nov 29 23:33:50.812 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.812 INFO [stderr]   |
Nov 29 23:33:50.812 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 23:33:50.812 INFO [stderr] 
Nov 29 23:33:50.812 INFO [stderr] warning: struct is never constructed: `Scope`
Nov 29 23:33:50.812 INFO [stderr]   --> src/ast/mod.rs:16:1
Nov 29 23:33:50.812 INFO [stderr]    |
Nov 29 23:33:50.813 INFO [stderr] 16 | struct Scope<'parent, 'ctx: 'parent> {
Nov 29 23:33:50.813 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.813 INFO [stderr] 
Nov 29 23:33:50.813 INFO [stderr] warning: struct is never constructed: `Block`
Nov 29 23:33:50.813 INFO [stderr]   --> src/ast/mod.rs:23:1
Nov 29 23:33:50.813 INFO [stderr]    |
Nov 29 23:33:50.813 INFO [stderr] 23 | struct Block<'ctx> {
Nov 29 23:33:50.813 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.813 INFO [stderr] 
Nov 29 23:33:50.813 INFO [stderr] warning: struct is never constructed: `Node`
Nov 29 23:33:50.813 INFO [stderr]   --> src/ast/mod.rs:30:1
Nov 29 23:33:50.813 INFO [stderr]    |
Nov 29 23:33:50.813 INFO [stderr] 30 | struct Node<T: Sized> {
Nov 29 23:33:50.813 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.813 INFO [stderr] 
Nov 29 23:33:50.813 INFO [stderr] warning: struct is never constructed: `StatementNode`
Nov 29 23:33:50.813 INFO [stderr]   --> src/ast/mod.rs:37:1
Nov 29 23:33:50.813 INFO [stderr]    |
Nov 29 23:33:50.813 INFO [stderr] 37 | struct StatementNode<'ctx, T: Sized> {
Nov 29 23:33:50.813 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.813 INFO [stderr] 
Nov 29 23:33:50.813 INFO [stderr] warning: struct is never constructed: `StatLocalDecl`
Nov 29 23:33:50.813 INFO [stderr]   --> src/ast/mod.rs:49:1
Nov 29 23:33:50.813 INFO [stderr]    |
Nov 29 23:33:50.813 INFO [stderr] 49 | pub struct StatLocalDecl { // <'ctx> {
Nov 29 23:33:50.813 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.813 INFO [stderr] 
Nov 29 23:33:50.813 INFO [stderr] warning: enum is never used: `Statement`
Nov 29 23:33:50.813 INFO [stderr]   --> src/ast/mod.rs:63:1
Nov 29 23:33:50.813 INFO [stderr]    |
Nov 29 23:33:50.813 INFO [stderr] 63 | pub enum Statement<'ctx> {
Nov 29 23:33:50.813 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.813 INFO [stderr] 
Nov 29 23:33:50.813 INFO [stderr] warning: associated const is never used: `VARARGS`
Nov 29 23:33:50.813 INFO [stderr]   --> src/instruction_definitions.rs:90:5
Nov 29 23:33:50.813 INFO [stderr]    |
Nov 29 23:33:50.813 INFO [stderr] 90 |     pub const VARARGS: Count = Count(0);
Nov 29 23:33:50.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.813 INFO [stderr] 
Nov 29 23:33:50.813 INFO [stderr] warning: associated const is never used: `EMPTY`
Nov 29 23:33:50.813 INFO [stderr]   --> src/instruction_definitions.rs:91:5
Nov 29 23:33:50.813 INFO [stderr]    |
Nov 29 23:33:50.813 INFO [stderr] 91 |     pub const EMPTY: Count = Count(1);
Nov 29 23:33:50.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.813 INFO [stderr] 
Nov 29 23:33:50.813 INFO [stderr] warning: field is never used: `a`
Nov 29 23:33:50.813 INFO [stderr]   --> src/instruction_decoder.rs:75:5
Nov 29 23:33:50.813 INFO [stderr]    |
Nov 29 23:33:50.813 INFO [stderr] 75 |     a: u8,
Nov 29 23:33:50.813 INFO [stderr]    |     ^^^^^
Nov 29 23:33:50.813 INFO [stderr] 
Nov 29 23:33:50.813 INFO [stderr] warning: field is never used: `a`
Nov 29 23:33:50.813 INFO [stderr]   --> src/instruction_decoder.rs:89:5
Nov 29 23:33:50.813 INFO [stderr]    |
Nov 29 23:33:50.813 INFO [stderr] 89 |     a: u8,
Nov 29 23:33:50.813 INFO [stderr]    |     ^^^^^
Nov 29 23:33:50.813 INFO [stderr] 
Nov 29 23:33:50.813 INFO [stderr] warning: struct is never constructed: `SetUpvalueViewData`
Nov 29 23:33:50.813 INFO [stderr]   --> src/view/view_data.rs:55:1
Nov 29 23:33:50.813 INFO [stderr]    |
Nov 29 23:33:50.813 INFO [stderr] 55 | pub struct SetUpvalueViewData(pub AssignmentInfo);
Nov 29 23:33:50.813 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.813 INFO [stderr] 
Nov 29 23:33:50.952 INFO [stderr] warning: struct is never constructed: `ASTContext`
Nov 29 23:33:50.952 INFO [stderr]  --> src/ast/mod.rs:9:1
Nov 29 23:33:50.952 INFO [stderr]   |
Nov 29 23:33:50.952 INFO [stderr] 9 | struct ASTContext {
Nov 29 23:33:50.952 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.952 INFO [stderr]   |
Nov 29 23:33:50.952 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 29 23:33:50.952 INFO [stderr] 
Nov 29 23:33:50.952 INFO [stderr] warning: struct is never constructed: `Scope`
Nov 29 23:33:50.952 INFO [stderr]   --> src/ast/mod.rs:16:1
Nov 29 23:33:50.952 INFO [stderr]    |
Nov 29 23:33:50.952 INFO [stderr] 16 | struct Scope<'parent, 'ctx: 'parent> {
Nov 29 23:33:50.952 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.952 INFO [stderr] 
Nov 29 23:33:50.952 INFO [stderr] warning: struct is never constructed: `Block`
Nov 29 23:33:50.952 INFO [stderr]   --> src/ast/mod.rs:23:1
Nov 29 23:33:50.952 INFO [stderr]    |
Nov 29 23:33:50.952 INFO [stderr] 23 | struct Block<'ctx> {
Nov 29 23:33:50.952 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.952 INFO [stderr] 
Nov 29 23:33:50.952 INFO [stderr] warning: struct is never constructed: `Node`
Nov 29 23:33:50.952 INFO [stderr]   --> src/ast/mod.rs:30:1
Nov 29 23:33:50.952 INFO [stderr]    |
Nov 29 23:33:50.952 INFO [stderr] 30 | struct Node<T: Sized> {
Nov 29 23:33:50.952 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.952 INFO [stderr] 
Nov 29 23:33:50.952 INFO [stderr] warning: struct is never constructed: `StatementNode`
Nov 29 23:33:50.952 INFO [stderr]   --> src/ast/mod.rs:37:1
Nov 29 23:33:50.952 INFO [stderr]    |
Nov 29 23:33:50.952 INFO [stderr] 37 | struct StatementNode<'ctx, T: Sized> {
Nov 29 23:33:50.952 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.952 INFO [stderr] 
Nov 29 23:33:50.952 INFO [stderr] warning: struct is never constructed: `StatLocalDecl`
Nov 29 23:33:50.952 INFO [stderr]   --> src/ast/mod.rs:49:1
Nov 29 23:33:50.952 INFO [stderr]    |
Nov 29 23:33:50.952 INFO [stderr] 49 | pub struct StatLocalDecl { // <'ctx> {
Nov 29 23:33:50.952 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.952 INFO [stderr] 
Nov 29 23:33:50.952 INFO [stderr] warning: enum is never used: `Statement`
Nov 29 23:33:50.952 INFO [stderr]   --> src/ast/mod.rs:63:1
Nov 29 23:33:50.952 INFO [stderr]    |
Nov 29 23:33:50.952 INFO [stderr] 63 | pub enum Statement<'ctx> {
Nov 29 23:33:50.952 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.952 INFO [stderr] 
Nov 29 23:33:50.952 INFO [stderr] warning: associated const is never used: `VARARGS`
Nov 29 23:33:50.952 INFO [stderr]   --> src/instruction_definitions.rs:90:5
Nov 29 23:33:50.952 INFO [stderr]    |
Nov 29 23:33:50.952 INFO [stderr] 90 |     pub const VARARGS: Count = Count(0);
Nov 29 23:33:50.952 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.952 INFO [stderr] 
Nov 29 23:33:50.952 INFO [stderr] warning: associated const is never used: `EMPTY`
Nov 29 23:33:50.952 INFO [stderr]   --> src/instruction_definitions.rs:91:5
Nov 29 23:33:50.952 INFO [stderr]    |
Nov 29 23:33:50.952 INFO [stderr] 91 |     pub const EMPTY: Count = Count(1);
Nov 29 23:33:50.952 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.952 INFO [stderr] 
Nov 29 23:33:50.952 INFO [stderr] warning: field is never used: `a`
Nov 29 23:33:50.952 INFO [stderr]   --> src/instruction_decoder.rs:75:5
Nov 29 23:33:50.952 INFO [stderr]    |
Nov 29 23:33:50.952 INFO [stderr] 75 |     a: u8,
Nov 29 23:33:50.952 INFO [stderr]    |     ^^^^^
Nov 29 23:33:50.952 INFO [stderr] 
Nov 29 23:33:50.952 INFO [stderr] warning: field is never used: `a`
Nov 29 23:33:50.952 INFO [stderr]   --> src/instruction_decoder.rs:89:5
Nov 29 23:33:50.952 INFO [stderr]    |
Nov 29 23:33:50.952 INFO [stderr] 89 |     a: u8,
Nov 29 23:33:50.952 INFO [stderr]    |     ^^^^^
Nov 29 23:33:50.952 INFO [stderr] 
Nov 29 23:33:50.952 INFO [stderr] warning: struct is never constructed: `SetUpvalueViewData`
Nov 29 23:33:50.952 INFO [stderr]   --> src/view/view_data.rs:55:1
Nov 29 23:33:50.952 INFO [stderr]    |
Nov 29 23:33:50.952 INFO [stderr] 55 | pub struct SetUpvalueViewData(pub AssignmentInfo);
Nov 29 23:33:50.952 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 23:33:50.952 INFO [stderr] 
Nov 29 23:33:51.026 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.00s
Nov 29 23:33:51.033 INFO [stderr] su: No module specific data is present
Nov 29 23:33:51.359 INFO running `"docker" "inspect" "44f7e77f14fc2aadfad3fd1360ec6212739f6b754797c576e6d7559e625d1ae8"`
Nov 29 23:33:51.480 INFO running `"docker" "rm" "-f" "44f7e77f14fc2aadfad3fd1360ec6212739f6b754797c576e6d7559e625d1ae8"`
Nov 29 23:33:51.680 INFO [stdout] 44f7e77f14fc2aadfad3fd1360ec6212739f6b754797c576e6d7559e625d1ae8