Dec 11 14:54:18.245 INFO checking lbcdec/lbcdec against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 14:54:18.245 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 14:54:18.465 INFO [stdout] 2147b4145d3a1f2a10c44bd3471cfece5facdb4f2ebc425d059e48f646efda9a
Dec 11 14:54:18.470 INFO running `"docker" "start" "-a" "2147b4145d3a1f2a10c44bd3471cfece5facdb4f2ebc425d059e48f646efda9a"`
Dec 11 14:54:19.024 INFO [stderr] usermod: no changes
Dec 11 14:54:19.193 INFO [stderr]     Checking remove_dir_all v0.5.0
Dec 11 14:54:19.193 INFO [stderr]     Checking obstack v0.1.3
Dec 11 14:54:19.201 INFO [stderr]     Checking memchr v1.0.2
Dec 11 14:54:19.201 INFO [stderr]     Checking rand v0.5.4
Dec 11 14:54:19.201 INFO [stderr]     Checking clap v2.32.0
Dec 11 14:54:19.201 INFO [stderr]     Checking rayon-core v1.4.1
Dec 11 14:54:19.201 INFO [stderr]     Checking env_logger v0.5.10
Dec 11 14:54:19.748 INFO [stderr]     Checking nom v3.2.1
Dec 11 14:54:22.064 INFO [stderr]     Checking rayon v1.0.2
Dec 11 14:54:24.968 INFO [stderr]     Checking tempfile v3.0.3
Dec 11 14:54:28.160 INFO [stderr]     Checking lbcdec v0.1.0 (/source)
Dec 11 14:54:30.504 INFO [stderr] warning: unused import: `obstack`
Dec 11 14:54:30.504 INFO [stderr]  --> src/ast/mod.rs:6:5
Dec 11 14:54:30.504 INFO [stderr]   |
Dec 11 14:54:30.504 INFO [stderr] 6 | use obstack;
Dec 11 14:54:30.504 INFO [stderr]   |     ^^^^^^^
Dec 11 14:54:30.504 INFO [stderr]   |
Dec 11 14:54:30.504 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 14:54:30.504 INFO [stderr] 
Dec 11 14:54:30.673 INFO [stderr] warning: unused import: `obstack`
Dec 11 14:54:30.673 INFO [stderr]  --> src/ast/mod.rs:6:5
Dec 11 14:54:30.673 INFO [stderr]   |
Dec 11 14:54:30.673 INFO [stderr] 6 | use obstack;
Dec 11 14:54:30.673 INFO [stderr]   |     ^^^^^^^
Dec 11 14:54:30.673 INFO [stderr]   |
Dec 11 14:54:30.673 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 14:54:30.673 INFO [stderr] 
Dec 11 14:54:32.132 INFO [stderr] warning: private type `ast::Block<'ctx>` in public interface (error E0446)
Dec 11 14:54:32.132 INFO [stderr]   --> src/ast/mod.rs:65:10
Dec 11 14:54:32.132 INFO [stderr]    |
Dec 11 14:54:32.132 INFO [stderr] 65 |     Do { block: Block<'ctx> }
Dec 11 14:54:32.132 INFO [stderr]    |          ^^^^^^^^^^^^^^^^^^
Dec 11 14:54:32.132 INFO [stderr]    |
Dec 11 14:54:32.132 INFO [stderr]    = note: #[warn(private_in_public)] on by default
Dec 11 14:54:32.132 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!
Dec 11 14:54:32.132 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 11 14:54:32.132 INFO [stderr] 
Dec 11 14:54:32.184 INFO [stderr] warning: unreachable pattern
Dec 11 14:54:32.184 INFO [stderr]     --> src/view_context/mod.rs:1408:29
Dec 11 14:54:32.184 INFO [stderr]      |
Dec 11 14:54:32.184 INFO [stderr] 1408 |                 ref instr @ _ => panic!("Unimplemented instruction: {:?}", instr),
Dec 11 14:54:32.184 INFO [stderr]      |                             ^
Dec 11 14:54:32.184 INFO [stderr]      |
Dec 11 14:54:32.184 INFO [stderr]      = note: #[warn(unreachable_patterns)] on by default
Dec 11 14:54:32.184 INFO [stderr] 
Dec 11 14:54:32.238 INFO [stderr] warning: private type `ast::Block<'ctx>` in public interface (error E0446)
Dec 11 14:54:32.238 INFO [stderr]   --> src/ast/mod.rs:65:10
Dec 11 14:54:32.239 INFO [stderr]    |
Dec 11 14:54:32.239 INFO [stderr] 65 |     Do { block: Block<'ctx> }
Dec 11 14:54:32.239 INFO [stderr]    |          ^^^^^^^^^^^^^^^^^^
Dec 11 14:54:32.263 INFO [stderr]    |
Dec 11 14:54:32.308 INFO [stderr]    = note: #[warn(private_in_public)] on by default
Dec 11 14:54:32.308 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!
Dec 11 14:54:32.308 INFO [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
Dec 11 14:54:32.308 INFO [stderr] 
Dec 11 14:54:32.308 INFO [stderr] warning: unreachable pattern
Dec 11 14:54:32.308 INFO [stderr]     --> src/view_context/mod.rs:1408:29
Dec 11 14:54:32.308 INFO [stderr]      |
Dec 11 14:54:32.308 INFO [stderr] 1408 |                 ref instr @ _ => panic!("Unimplemented instruction: {:?}", instr),
Dec 11 14:54:32.308 INFO [stderr]      |                             ^
Dec 11 14:54:32.308 INFO [stderr]      |
Dec 11 14:54:32.308 INFO [stderr]      = note: #[warn(unreachable_patterns)] on by default
Dec 11 14:54:32.308 INFO [stderr] 
Dec 11 14:54:32.916 INFO [stderr] warning: struct is never constructed: `ASTContext`
Dec 11 14:54:32.916 INFO [stderr]  --> src/ast/mod.rs:9:1
Dec 11 14:54:32.916 INFO [stderr]   |
Dec 11 14:54:32.916 INFO [stderr] 9 | struct ASTContext {
Dec 11 14:54:32.916 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 11 14:54:32.916 INFO [stderr]   |
Dec 11 14:54:32.916 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 14:54:32.916 INFO [stderr] 
Dec 11 14:54:32.916 INFO [stderr] warning: struct is never constructed: `Scope`
Dec 11 14:54:32.916 INFO [stderr]   --> src/ast/mod.rs:16:1
Dec 11 14:54:32.916 INFO [stderr]    |
Dec 11 14:54:32.916 INFO [stderr] 16 | struct Scope<'parent, 'ctx: 'parent> {
Dec 11 14:54:32.916 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:54:32.916 INFO [stderr] 
Dec 11 14:54:32.916 INFO [stderr] warning: struct is never constructed: `Block`
Dec 11 14:54:32.916 INFO [stderr]   --> src/ast/mod.rs:23:1
Dec 11 14:54:32.916 INFO [stderr]    |
Dec 11 14:54:32.916 INFO [stderr] 23 | struct Block<'ctx> {
Dec 11 14:54:32.916 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 11 14:54:32.916 INFO [stderr] 
Dec 11 14:54:32.916 INFO [stderr] warning: struct is never constructed: `Node`
Dec 11 14:54:32.916 INFO [stderr]   --> src/ast/mod.rs:30:1
Dec 11 14:54:32.916 INFO [stderr]    |
Dec 11 14:54:32.916 INFO [stderr] 30 | struct Node<T: Sized> {
Dec 11 14:54:32.916 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:54:32.916 INFO [stderr] 
Dec 11 14:54:32.916 INFO [stderr] warning: struct is never constructed: `StatementNode`
Dec 11 14:54:32.916 INFO [stderr]   --> src/ast/mod.rs:37:1
Dec 11 14:54:32.916 INFO [stderr]    |
Dec 11 14:54:32.916 INFO [stderr] 37 | struct StatementNode<'ctx, T: Sized> {
Dec 11 14:54:32.916 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:54:32.916 INFO [stderr] 
Dec 11 14:54:32.916 INFO [stderr] warning: struct is never constructed: `StatLocalDecl`
Dec 11 14:54:32.916 INFO [stderr]   --> src/ast/mod.rs:49:1
Dec 11 14:54:32.916 INFO [stderr]    |
Dec 11 14:54:32.916 INFO [stderr] 49 | pub struct StatLocalDecl { // <'ctx> {
Dec 11 14:54:32.916 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:54:32.916 INFO [stderr] 
Dec 11 14:54:32.916 INFO [stderr] warning: enum is never used: `Statement`
Dec 11 14:54:32.916 INFO [stderr]   --> src/ast/mod.rs:63:1
Dec 11 14:54:32.917 INFO [stderr]    |
Dec 11 14:54:32.917 INFO [stderr] 63 | pub enum Statement<'ctx> {
Dec 11 14:54:32.917 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:54:32.917 INFO [stderr] 
Dec 11 14:54:32.921 INFO [stderr] warning: associated const is never used: `VARARGS`
Dec 11 14:54:32.921 INFO [stderr]   --> src/instruction_definitions.rs:90:5
Dec 11 14:54:32.921 INFO [stderr]    |
Dec 11 14:54:32.921 INFO [stderr] 90 |     pub const VARARGS: Count = Count(0);
Dec 11 14:54:32.921 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:54:32.921 INFO [stderr] 
Dec 11 14:54:32.921 INFO [stderr] warning: associated const is never used: `EMPTY`
Dec 11 14:54:32.921 INFO [stderr]   --> src/instruction_definitions.rs:91:5
Dec 11 14:54:32.921 INFO [stderr]    |
Dec 11 14:54:32.921 INFO [stderr] 91 |     pub const EMPTY: Count = Count(1);
Dec 11 14:54:32.921 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:54:32.921 INFO [stderr] 
Dec 11 14:54:32.921 INFO [stderr] warning: field is never used: `a`
Dec 11 14:54:32.921 INFO [stderr]   --> src/instruction_decoder.rs:75:5
Dec 11 14:54:32.921 INFO [stderr]    |
Dec 11 14:54:32.921 INFO [stderr] 75 |     a: u8,
Dec 11 14:54:32.921 INFO [stderr]    |     ^^^^^
Dec 11 14:54:32.921 INFO [stderr] 
Dec 11 14:54:32.921 INFO [stderr] warning: field is never used: `a`
Dec 11 14:54:32.921 INFO [stderr]   --> src/instruction_decoder.rs:89:5
Dec 11 14:54:32.921 INFO [stderr]    |
Dec 11 14:54:32.921 INFO [stderr] 89 |     a: u8,
Dec 11 14:54:32.921 INFO [stderr]    |     ^^^^^
Dec 11 14:54:32.921 INFO [stderr] 
Dec 11 14:54:32.921 INFO [stderr] warning: struct is never constructed: `SetUpvalueViewData`
Dec 11 14:54:32.921 INFO [stderr]   --> src/view/view_data.rs:55:1
Dec 11 14:54:32.921 INFO [stderr]    |
Dec 11 14:54:32.921 INFO [stderr] 55 | pub struct SetUpvalueViewData(pub AssignmentInfo);
Dec 11 14:54:32.921 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:54:32.921 INFO [stderr] 
Dec 11 14:54:33.107 INFO [stderr] warning: struct is never constructed: `ASTContext`
Dec 11 14:54:33.107 INFO [stderr]  --> src/ast/mod.rs:9:1
Dec 11 14:54:33.107 INFO [stderr]   |
Dec 11 14:54:33.107 INFO [stderr] 9 | struct ASTContext {
Dec 11 14:54:33.107 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 11 14:54:33.107 INFO [stderr]   |
Dec 11 14:54:33.107 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 14:54:33.107 INFO [stderr] 
Dec 11 14:54:33.107 INFO [stderr] warning: struct is never constructed: `Scope`
Dec 11 14:54:33.107 INFO [stderr]   --> src/ast/mod.rs:16:1
Dec 11 14:54:33.107 INFO [stderr]    |
Dec 11 14:54:33.107 INFO [stderr] 16 | struct Scope<'parent, 'ctx: 'parent> {
Dec 11 14:54:33.107 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:54:33.107 INFO [stderr] 
Dec 11 14:54:33.107 INFO [stderr] warning: struct is never constructed: `Block`
Dec 11 14:54:33.107 INFO [stderr]   --> src/ast/mod.rs:23:1
Dec 11 14:54:33.107 INFO [stderr]    |
Dec 11 14:54:33.107 INFO [stderr] 23 | struct Block<'ctx> {
Dec 11 14:54:33.107 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 11 14:54:33.107 INFO [stderr] 
Dec 11 14:54:33.107 INFO [stderr] warning: struct is never constructed: `Node`
Dec 11 14:54:33.107 INFO [stderr]   --> src/ast/mod.rs:30:1
Dec 11 14:54:33.107 INFO [stderr]    |
Dec 11 14:54:33.107 INFO [stderr] 30 | struct Node<T: Sized> {
Dec 11 14:54:33.107 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:54:33.107 INFO [stderr] 
Dec 11 14:54:33.107 INFO [stderr] warning: struct is never constructed: `StatementNode`
Dec 11 14:54:33.107 INFO [stderr]   --> src/ast/mod.rs:37:1
Dec 11 14:54:33.107 INFO [stderr]    |
Dec 11 14:54:33.107 INFO [stderr] 37 | struct StatementNode<'ctx, T: Sized> {
Dec 11 14:54:33.107 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:54:33.107 INFO [stderr] 
Dec 11 14:54:33.107 INFO [stderr] warning: struct is never constructed: `StatLocalDecl`
Dec 11 14:54:33.107 INFO [stderr]   --> src/ast/mod.rs:49:1
Dec 11 14:54:33.107 INFO [stderr]    |
Dec 11 14:54:33.107 INFO [stderr] 49 | pub struct StatLocalDecl { // <'ctx> {
Dec 11 14:54:33.107 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:54:33.107 INFO [stderr] 
Dec 11 14:54:33.107 INFO [stderr] warning: enum is never used: `Statement`
Dec 11 14:54:33.107 INFO [stderr]   --> src/ast/mod.rs:63:1
Dec 11 14:54:33.107 INFO [stderr]    |
Dec 11 14:54:33.107 INFO [stderr] 63 | pub enum Statement<'ctx> {
Dec 11 14:54:33.107 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:54:33.107 INFO [stderr] 
Dec 11 14:54:33.107 INFO [stderr] warning: associated const is never used: `VARARGS`
Dec 11 14:54:33.107 INFO [stderr]   --> src/instruction_definitions.rs:90:5
Dec 11 14:54:33.108 INFO [stderr]    |
Dec 11 14:54:33.108 INFO [stderr] 90 |     pub const VARARGS: Count = Count(0);
Dec 11 14:54:33.108 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:54:33.108 INFO [stderr] 
Dec 11 14:54:33.108 INFO [stderr] warning: associated const is never used: `EMPTY`
Dec 11 14:54:33.108 INFO [stderr]   --> src/instruction_definitions.rs:91:5
Dec 11 14:54:33.108 INFO [stderr]    |
Dec 11 14:54:33.108 INFO [stderr] 91 |     pub const EMPTY: Count = Count(1);
Dec 11 14:54:33.108 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:54:33.108 INFO [stderr] 
Dec 11 14:54:33.108 INFO [stderr] warning: field is never used: `a`
Dec 11 14:54:33.108 INFO [stderr]   --> src/instruction_decoder.rs:75:5
Dec 11 14:54:33.108 INFO [stderr]    |
Dec 11 14:54:33.108 INFO [stderr] 75 |     a: u8,
Dec 11 14:54:33.108 INFO [stderr]    |     ^^^^^
Dec 11 14:54:33.108 INFO [stderr] 
Dec 11 14:54:33.108 INFO [stderr] warning: field is never used: `a`
Dec 11 14:54:33.108 INFO [stderr]   --> src/instruction_decoder.rs:89:5
Dec 11 14:54:33.108 INFO [stderr]    |
Dec 11 14:54:33.108 INFO [stderr] 89 |     a: u8,
Dec 11 14:54:33.108 INFO [stderr]    |     ^^^^^
Dec 11 14:54:33.108 INFO [stderr] 
Dec 11 14:54:33.108 INFO [stderr] warning: struct is never constructed: `SetUpvalueViewData`
Dec 11 14:54:33.108 INFO [stderr]   --> src/view/view_data.rs:55:1
Dec 11 14:54:33.108 INFO [stderr]    |
Dec 11 14:54:33.108 INFO [stderr] 55 | pub struct SetUpvalueViewData(pub AssignmentInfo);
Dec 11 14:54:33.108 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:54:33.108 INFO [stderr] 
Dec 11 14:54:33.219 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.17s
Dec 11 14:54:33.240 INFO [stderr] su: No module specific data is present
Dec 11 14:54:33.982 INFO running `"docker" "inspect" "2147b4145d3a1f2a10c44bd3471cfece5facdb4f2ebc425d059e48f646efda9a"`
Dec 11 14:54:34.370 INFO running `"docker" "rm" "-f" "2147b4145d3a1f2a10c44bd3471cfece5facdb4f2ebc425d059e48f646efda9a"`
Dec 11 14:54:34.720 INFO [stdout] 2147b4145d3a1f2a10c44bd3471cfece5facdb4f2ebc425d059e48f646efda9a