Dec 14 04:44:21.680 INFO testing WSlatton/muon-vm against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 04:44:21.680 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 14 04:44:22.121 INFO [stdout] 4f130063f81f5094ccc0fddc4898663637240710f5d2241fe2f65de0697f2036
Dec 14 04:44:22.129 INFO running `"docker" "start" "-a" "4f130063f81f5094ccc0fddc4898663637240710f5d2241fe2f65de0697f2036"`
Dec 14 04:44:23.279 INFO [stderr] usermod: no changes
Dec 14 04:44:23.339 INFO [stderr]    Compiling muon-vm v0.1.0 (/source)
Dec 14 04:44:23.815 INFO [stderr] warning: unused import: `Local`
Dec 14 04:44:23.815 INFO [stderr]  --> src/linker.rs:1:42
Dec 14 04:44:23.815 INFO [stderr]   |
Dec 14 04:44:23.815 INFO [stderr] 1 | use ast::{Class, Code, Function, Linked, Local, Mem, Object, Static, Unlinked};
Dec 14 04:44:23.815 INFO [stderr]   |                                          ^^^^^
Dec 14 04:44:23.815 INFO [stderr]   |
Dec 14 04:44:23.815 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 04:44:23.815 INFO [stderr] 
Dec 14 04:44:23.855 INFO [stderr] warning: unreachable expression
Dec 14 04:44:23.855 INFO [stderr]   --> src/linker.rs:24:30
Dec 14 04:44:23.855 INFO [stderr]    |
Dec 14 04:44:23.855 INFO [stderr] 24 |             instance_fields: panic!(),
Dec 14 04:44:23.855 INFO [stderr]    |                              ^^^^^^^^
Dec 14 04:44:23.855 INFO [stderr]    |
Dec 14 04:44:23.855 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 14 04:44:23.855 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 14 04:44:23.855 INFO [stderr] 
Dec 14 04:44:23.871 INFO [stderr] warning: unused variable: `vm`
Dec 14 04:44:23.871 INFO [stderr]   --> src/main.rs:16:9
Dec 14 04:44:23.871 INFO [stderr]    |
Dec 14 04:44:23.871 INFO [stderr] 16 |     let vm = VM::new(&vm_args);
Dec 14 04:44:23.871 INFO [stderr]    |         ^^ help: consider using `_vm` instead
Dec 14 04:44:23.871 INFO [stderr]    |
Dec 14 04:44:23.871 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 04:44:23.871 INFO [stderr] 
Dec 14 04:44:23.887 INFO [stderr] warning: struct is never constructed: `Class`
Dec 14 04:44:23.887 INFO [stderr]  --> src/ast.rs:1:1
Dec 14 04:44:23.887 INFO [stderr]   |
Dec 14 04:44:23.887 INFO [stderr] 1 | pub struct Class<'a, R: Ref> {
Dec 14 04:44:23.887 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.887 INFO [stderr]   |
Dec 14 04:44:23.887 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 04:44:23.887 INFO [stderr] 
Dec 14 04:44:23.887 INFO [stderr] warning: variant is never constructed: `Function`
Dec 14 04:44:23.887 INFO [stderr]   --> src/ast.rs:15:5
Dec 14 04:44:23.887 INFO [stderr]    |
Dec 14 04:44:23.887 INFO [stderr] 15 |     Function(Function<R>),
Dec 14 04:44:23.887 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.887 INFO [stderr] 
Dec 14 04:44:23.887 INFO [stderr] warning: variant is never constructed: `Call`
Dec 14 04:44:23.887 INFO [stderr]   --> src/ast.rs:16:5
Dec 14 04:44:23.887 INFO [stderr]    |
Dec 14 04:44:23.887 INFO [stderr] 16 |     Call,
Dec 14 04:44:23.887 INFO [stderr]    |     ^^^^
Dec 14 04:44:23.887 INFO [stderr] 
Dec 14 04:44:23.887 INFO [stderr] warning: variant is never constructed: `Return`
Dec 14 04:44:23.887 INFO [stderr]   --> src/ast.rs:17:5
Dec 14 04:44:23.887 INFO [stderr]    |
Dec 14 04:44:23.887 INFO [stderr] 17 |     Return,
Dec 14 04:44:23.887 INFO [stderr]    |     ^^^^^^
Dec 14 04:44:23.887 INFO [stderr] 
Dec 14 04:44:23.887 INFO [stderr] warning: variant is never constructed: `Store`
Dec 14 04:44:23.887 INFO [stderr]   --> src/ast.rs:20:5
Dec 14 04:44:23.887 INFO [stderr]    |
Dec 14 04:44:23.887 INFO [stderr] 20 |     Store(Mem<R>),
Dec 14 04:44:23.887 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 14 04:44:23.887 INFO [stderr] 
Dec 14 04:44:23.887 INFO [stderr] warning: variant is never constructed: `Load`
Dec 14 04:44:23.887 INFO [stderr]   --> src/ast.rs:21:5
Dec 14 04:44:23.887 INFO [stderr]    |
Dec 14 04:44:23.887 INFO [stderr] 21 |     Load(Mem<R>),
Dec 14 04:44:23.887 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 14 04:44:23.887 INFO [stderr] 
Dec 14 04:44:23.887 INFO [stderr] warning: variant is never constructed: `Print`
Dec 14 04:44:23.887 INFO [stderr]   --> src/ast.rs:24:5
Dec 14 04:44:23.887 INFO [stderr]    |
Dec 14 04:44:23.887 INFO [stderr] 24 |     Print,
Dec 14 04:44:23.887 INFO [stderr]    |     ^^^^^
Dec 14 04:44:23.887 INFO [stderr] 
Dec 14 04:44:23.887 INFO [stderr] warning: variant is never constructed: `Const`
Dec 14 04:44:23.887 INFO [stderr]   --> src/ast.rs:27:5
Dec 14 04:44:23.887 INFO [stderr]    |
Dec 14 04:44:23.887 INFO [stderr] 27 |     Const(Data),
Dec 14 04:44:23.887 INFO [stderr]    |     ^^^^^^^^^^^
Dec 14 04:44:23.887 INFO [stderr] 
Dec 14 04:44:23.887 INFO [stderr] warning: variant is never constructed: `Static`
Dec 14 04:44:23.887 INFO [stderr]   --> src/ast.rs:40:5
Dec 14 04:44:23.887 INFO [stderr]    |
Dec 14 04:44:23.887 INFO [stderr] 40 |     Static(R::Static),
Dec 14 04:44:23.887 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.887 INFO [stderr] 
Dec 14 04:44:23.887 INFO [stderr] warning: variant is never constructed: `Object`
Dec 14 04:44:23.887 INFO [stderr]   --> src/ast.rs:41:5
Dec 14 04:44:23.887 INFO [stderr]    |
Dec 14 04:44:23.887 INFO [stderr] 41 |     Object(R::Object),
Dec 14 04:44:23.887 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.887 INFO [stderr] 
Dec 14 04:44:23.887 INFO [stderr] warning: variant is never constructed: `Local`
Dec 14 04:44:23.887 INFO [stderr]   --> src/ast.rs:42:5
Dec 14 04:44:23.887 INFO [stderr]    |
Dec 14 04:44:23.888 INFO [stderr] 42 |     Local(R::Local),
Dec 14 04:44:23.888 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 14 04:44:23.888 INFO [stderr] 
Dec 14 04:44:23.888 INFO [stderr] warning: type alias is never used: `Local`
Dec 14 04:44:23.888 INFO [stderr]   --> src/ast.rs:66:1
Dec 14 04:44:23.888 INFO [stderr]    |
Dec 14 04:44:23.888 INFO [stderr] 66 | pub type Local<R: Ref> = R::Static;
Dec 14 04:44:23.888 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.888 INFO [stderr] 
Dec 14 04:44:23.888 INFO [stderr] warning: field is never used: `stack`
Dec 14 04:44:23.888 INFO [stderr]  --> src/mem.rs:6:5
Dec 14 04:44:23.888 INFO [stderr]   |
Dec 14 04:44:23.888 INFO [stderr] 6 |     stack: Stack<Data>,
Dec 14 04:44:23.888 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.888 INFO [stderr] 
Dec 14 04:44:23.888 INFO [stderr] warning: field is never used: `static_segment`
Dec 14 04:44:23.888 INFO [stderr]  --> src/mem.rs:9:5
Dec 14 04:44:23.888 INFO [stderr]   |
Dec 14 04:44:23.888 INFO [stderr] 9 |     static_segment: Segment<Data>,
Dec 14 04:44:23.888 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.888 INFO [stderr] 
Dec 14 04:44:23.888 INFO [stderr] warning: field is never used: `object_segment`
Dec 14 04:44:23.888 INFO [stderr]   --> src/mem.rs:10:5
Dec 14 04:44:23.888 INFO [stderr]    |
Dec 14 04:44:23.888 INFO [stderr] 10 |     object_segment: Segment<Data>,
Dec 14 04:44:23.888 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.888 INFO [stderr] 
Dec 14 04:44:23.888 INFO [stderr] warning: field is never used: `local_segment`
Dec 14 04:44:23.888 INFO [stderr]   --> src/mem.rs:11:5
Dec 14 04:44:23.888 INFO [stderr]    |
Dec 14 04:44:23.888 INFO [stderr] 11 |     local_segment: Segment<Data>,
Dec 14 04:44:23.888 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.888 INFO [stderr] 
Dec 14 04:44:23.888 INFO [stderr] warning: field is never used: `function_segment`
Dec 14 04:44:23.888 INFO [stderr]   --> src/mem.rs:14:5
Dec 14 04:44:23.888 INFO [stderr]    |
Dec 14 04:44:23.888 INFO [stderr] 14 |     function_segment: Segment<Function<Linked>>,
Dec 14 04:44:23.888 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.888 INFO [stderr] 
Dec 14 04:44:23.888 INFO [stderr] warning: field is never used: `mem`
Dec 14 04:44:23.888 INFO [stderr]   --> src/mem.rs:30:5
Dec 14 04:44:23.888 INFO [stderr]    |
Dec 14 04:44:23.888 INFO [stderr] 30 |     mem: Vec<T>,
Dec 14 04:44:23.888 INFO [stderr]    |     ^^^^^^^^^^^
Dec 14 04:44:23.888 INFO [stderr] 
Dec 14 04:44:23.888 INFO [stderr] warning: field is never used: `mem`
Dec 14 04:44:23.888 INFO [stderr]   --> src/mem.rs:42:5
Dec 14 04:44:23.888 INFO [stderr]    |
Dec 14 04:44:23.888 INFO [stderr] 42 |     mem: Vec<T>,
Dec 14 04:44:23.888 INFO [stderr]    |     ^^^^^^^^^^^
Dec 14 04:44:23.888 INFO [stderr] 
Dec 14 04:44:23.888 INFO [stderr] warning: field is never used: `vm_args`
Dec 14 04:44:23.888 INFO [stderr]  --> src/vm.rs:6:5
Dec 14 04:44:23.888 INFO [stderr]   |
Dec 14 04:44:23.888 INFO [stderr] 6 |     vm_args: &'a VMArgs,
Dec 14 04:44:23.888 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.888 INFO [stderr] 
Dec 14 04:44:23.888 INFO [stderr] warning: field is never used: `linker`
Dec 14 04:44:23.888 INFO [stderr]  --> src/vm.rs:7:5
Dec 14 04:44:23.888 INFO [stderr]   |
Dec 14 04:44:23.888 INFO [stderr] 7 |     linker: Linker<'a>,
Dec 14 04:44:23.888 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.888 INFO [stderr] 
Dec 14 04:44:23.888 INFO [stderr] warning: field is never used: `mem`
Dec 14 04:44:23.888 INFO [stderr]  --> src/vm.rs:8:5
Dec 14 04:44:23.888 INFO [stderr]   |
Dec 14 04:44:23.888 INFO [stderr] 8 |     mem: Mem,
Dec 14 04:44:23.888 INFO [stderr]   |     ^^^^^^^^
Dec 14 04:44:23.888 INFO [stderr] 
Dec 14 04:44:23.888 INFO [stderr] warning: method is never used: `load_class`
Dec 14 04:44:23.888 INFO [stderr]   --> src/vm.rs:19:5
Dec 14 04:44:23.888 INFO [stderr]    |
Dec 14 04:44:23.888 INFO [stderr] 19 |     pub fn load_class(&mut self, class: Class<'a, Unlinked<'a>>) {
Dec 14 04:44:23.888 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.888 INFO [stderr] 
Dec 14 04:44:23.888 INFO [stderr] warning: field is never used: `static_table`
Dec 14 04:44:23.888 INFO [stderr]  --> src/linker.rs:5:5
Dec 14 04:44:23.888 INFO [stderr]   |
Dec 14 04:44:23.888 INFO [stderr] 5 |     static_table: HashMap<Static<Unlinked<'a>>, Static<Linked>>,
Dec 14 04:44:23.888 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.888 INFO [stderr] 
Dec 14 04:44:23.888 INFO [stderr] warning: field is never used: `static_count`
Dec 14 04:44:23.888 INFO [stderr]  --> src/linker.rs:6:5
Dec 14 04:44:23.888 INFO [stderr]   |
Dec 14 04:44:23.888 INFO [stderr] 6 |     static_count: usize,
Dec 14 04:44:23.888 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.888 INFO [stderr] 
Dec 14 04:44:23.888 INFO [stderr] warning: field is never used: `object_table`
Dec 14 04:44:23.888 INFO [stderr]  --> src/linker.rs:7:5
Dec 14 04:44:23.888 INFO [stderr]   |
Dec 14 04:44:23.889 INFO [stderr] 7 |     object_table: HashMap<Object<Unlinked<'a>>, Object<Linked>>,
Dec 14 04:44:23.889 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.889 INFO [stderr] 
Dec 14 04:44:23.889 INFO [stderr] warning: field is never used: `object_count`
Dec 14 04:44:23.889 INFO [stderr]  --> src/linker.rs:8:5
Dec 14 04:44:23.889 INFO [stderr]   |
Dec 14 04:44:23.889 INFO [stderr] 8 |     object_count: HashMap<&'a str, usize>,
Dec 14 04:44:23.889 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.889 INFO [stderr] 
Dec 14 04:44:23.889 INFO [stderr] warning: method is never used: `link_class`
Dec 14 04:44:23.889 INFO [stderr]   --> src/linker.rs:20:5
Dec 14 04:44:23.889 INFO [stderr]    |
Dec 14 04:44:23.889 INFO [stderr] 20 |     pub fn link_class(&mut self, class: Class<'a, Unlinked<'a>>) -> Class<'a, Linked> {
Dec 14 04:44:23.889 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.889 INFO [stderr] 
Dec 14 04:44:23.889 INFO [stderr] warning: method is never used: `link_function`
Dec 14 04:44:23.889 INFO [stderr]   --> src/linker.rs:28:5
Dec 14 04:44:23.889 INFO [stderr]    |
Dec 14 04:44:23.889 INFO [stderr] 28 |     fn link_function(&mut self, function: Function<Unlinked<'a>>) -> Function<Linked> {
Dec 14 04:44:23.889 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.889 INFO [stderr] 
Dec 14 04:44:23.889 INFO [stderr] warning: method is never used: `link_code_vec`
Dec 14 04:44:23.889 INFO [stderr]   --> src/linker.rs:34:5
Dec 14 04:44:23.889 INFO [stderr]    |
Dec 14 04:44:23.889 INFO [stderr] 34 |     fn link_code_vec(&mut self, code_vec: Vec<Code<Unlinked<'a>>>) -> Vec<Code<Linked>> {
Dec 14 04:44:23.889 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.889 INFO [stderr] 
Dec 14 04:44:23.889 INFO [stderr] warning: method is never used: `link_code`
Dec 14 04:44:23.889 INFO [stderr]   --> src/linker.rs:39:5
Dec 14 04:44:23.889 INFO [stderr]    |
Dec 14 04:44:23.889 INFO [stderr] 39 |     fn link_code(&mut self, code: Code<Unlinked<'a>>) -> Code<Linked> {
Dec 14 04:44:23.889 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.889 INFO [stderr] 
Dec 14 04:44:23.889 INFO [stderr] warning: method is never used: `link_mem`
Dec 14 04:44:23.889 INFO [stderr]   --> src/linker.rs:50:5
Dec 14 04:44:23.889 INFO [stderr]    |
Dec 14 04:44:23.889 INFO [stderr] 50 |     fn link_mem(&mut self, mem: Mem<Unlinked<'a>>) -> Mem<Linked> {
Dec 14 04:44:23.889 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.889 INFO [stderr] 
Dec 14 04:44:23.889 INFO [stderr] warning: method is never used: `link_static`
Dec 14 04:44:23.889 INFO [stderr]   --> src/linker.rs:57:5
Dec 14 04:44:23.889 INFO [stderr]    |
Dec 14 04:44:23.889 INFO [stderr] 57 |     fn link_static(&mut self, s: Static<Unlinked<'a>>) -> Static<Linked> {
Dec 14 04:44:23.889 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.889 INFO [stderr] 
Dec 14 04:44:23.889 INFO [stderr] warning: method is never used: `link_object`
Dec 14 04:44:23.889 INFO [stderr]   --> src/linker.rs:68:5
Dec 14 04:44:23.889 INFO [stderr]    |
Dec 14 04:44:23.889 INFO [stderr] 68 |     fn link_object(&mut self, o: Object<Unlinked<'a>>) -> Object<Linked> {
Dec 14 04:44:23.889 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:23.889 INFO [stderr] 
Dec 14 04:44:23.889 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 14 04:44:23.889 INFO [stderr]   --> src/ast.rs:64:20
Dec 14 04:44:23.889 INFO [stderr]    |
Dec 14 04:44:23.889 INFO [stderr] 64 | pub type Static<R: Ref> = R::Static;
Dec 14 04:44:23.889 INFO [stderr]    |                    ^^^
Dec 14 04:44:23.889 INFO [stderr]    |
Dec 14 04:44:23.889 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Dec 14 04:44:23.889 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 14 04:44:23.889 INFO [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
Dec 14 04:44:23.889 INFO [stderr]   --> src/ast.rs:64:27
Dec 14 04:44:23.889 INFO [stderr]    |
Dec 14 04:44:23.889 INFO [stderr] 64 | pub type Static<R: Ref> = R::Static;
Dec 14 04:44:23.889 INFO [stderr]    |                           ^^^^^^^^^
Dec 14 04:44:23.889 INFO [stderr] 
Dec 14 04:44:23.889 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 14 04:44:23.889 INFO [stderr]   --> src/ast.rs:65:20
Dec 14 04:44:23.889 INFO [stderr]    |
Dec 14 04:44:23.889 INFO [stderr] 65 | pub type Object<R: Ref> = R::Static;
Dec 14 04:44:23.889 INFO [stderr]    |                    ^^^
Dec 14 04:44:23.889 INFO [stderr]    |
Dec 14 04:44:23.889 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 14 04:44:23.889 INFO [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
Dec 14 04:44:23.889 INFO [stderr]   --> src/ast.rs:65:27
Dec 14 04:44:23.889 INFO [stderr]    |
Dec 14 04:44:23.889 INFO [stderr] 65 | pub type Object<R: Ref> = R::Static;
Dec 14 04:44:23.889 INFO [stderr]    |                           ^^^^^^^^^
Dec 14 04:44:23.889 INFO [stderr] 
Dec 14 04:44:23.889 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 14 04:44:23.889 INFO [stderr]   --> src/ast.rs:66:19
Dec 14 04:44:23.889 INFO [stderr]    |
Dec 14 04:44:23.889 INFO [stderr] 66 | pub type Local<R: Ref> = R::Static;
Dec 14 04:44:23.889 INFO [stderr]    |                   ^^^
Dec 14 04:44:23.889 INFO [stderr]    |
Dec 14 04:44:23.889 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 14 04:44:23.889 INFO [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
Dec 14 04:44:23.889 INFO [stderr]   --> src/ast.rs:66:26
Dec 14 04:44:23.890 INFO [stderr]    |
Dec 14 04:44:23.890 INFO [stderr] 66 | pub type Local<R: Ref> = R::Static;
Dec 14 04:44:23.890 INFO [stderr]    |                          ^^^^^^^^^
Dec 14 04:44:23.890 INFO [stderr] 
Dec 14 04:44:24.384 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 14 04:44:24.384 INFO [stderr] su: No module specific data is present
Dec 14 04:44:24.991 INFO running `"docker" "inspect" "4f130063f81f5094ccc0fddc4898663637240710f5d2241fe2f65de0697f2036"`
Dec 14 04:44:25.503 INFO running `"docker" "rm" "-f" "4f130063f81f5094ccc0fddc4898663637240710f5d2241fe2f65de0697f2036"`
Dec 14 04:44:25.759 INFO [stdout] 4f130063f81f5094ccc0fddc4898663637240710f5d2241fe2f65de0697f2036
Dec 14 04:44:25.759 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 14 04:44:26.171 INFO [stdout] 40d1225473e352f5bf0cb673f754ab710c0056640a2f1ce91d4bcacd13d8b5f0
Dec 14 04:44:26.176 INFO running `"docker" "start" "-a" "40d1225473e352f5bf0cb673f754ab710c0056640a2f1ce91d4bcacd13d8b5f0"`
Dec 14 04:44:27.637 INFO [stderr] usermod: no changes
Dec 14 04:44:27.691 INFO [stderr]    Compiling muon-vm v0.1.0 (/source)
Dec 14 04:44:28.243 INFO [stderr] warning: unused import: `Local`
Dec 14 04:44:28.243 INFO [stderr]  --> src/linker.rs:1:42
Dec 14 04:44:28.243 INFO [stderr]   |
Dec 14 04:44:28.243 INFO [stderr] 1 | use ast::{Class, Code, Function, Linked, Local, Mem, Object, Static, Unlinked};
Dec 14 04:44:28.243 INFO [stderr]   |                                          ^^^^^
Dec 14 04:44:28.243 INFO [stderr]   |
Dec 14 04:44:28.247 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 04:44:28.247 INFO [stderr] 
Dec 14 04:44:28.295 INFO [stderr] warning: unreachable expression
Dec 14 04:44:28.295 INFO [stderr]   --> src/linker.rs:24:30
Dec 14 04:44:28.295 INFO [stderr]    |
Dec 14 04:44:28.295 INFO [stderr] 24 |             instance_fields: panic!(),
Dec 14 04:44:28.295 INFO [stderr]    |                              ^^^^^^^^
Dec 14 04:44:28.295 INFO [stderr]    |
Dec 14 04:44:28.295 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Dec 14 04:44:28.295 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 14 04:44:28.295 INFO [stderr] 
Dec 14 04:44:28.311 INFO [stderr] warning: unused variable: `vm`
Dec 14 04:44:28.311 INFO [stderr]   --> src/main.rs:16:9
Dec 14 04:44:28.311 INFO [stderr]    |
Dec 14 04:44:28.311 INFO [stderr] 16 |     let vm = VM::new(&vm_args);
Dec 14 04:44:28.311 INFO [stderr]    |         ^^ help: consider using `_vm` instead
Dec 14 04:44:28.311 INFO [stderr]    |
Dec 14 04:44:28.311 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 14 04:44:28.311 INFO [stderr] 
Dec 14 04:44:28.331 INFO [stderr] warning: struct is never constructed: `Class`
Dec 14 04:44:28.331 INFO [stderr]  --> src/ast.rs:1:1
Dec 14 04:44:28.331 INFO [stderr]   |
Dec 14 04:44:28.331 INFO [stderr] 1 | pub struct Class<'a, R: Ref> {
Dec 14 04:44:28.331 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.331 INFO [stderr]   |
Dec 14 04:44:28.331 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 14 04:44:28.331 INFO [stderr] 
Dec 14 04:44:28.331 INFO [stderr] warning: variant is never constructed: `Function`
Dec 14 04:44:28.331 INFO [stderr]   --> src/ast.rs:15:5
Dec 14 04:44:28.331 INFO [stderr]    |
Dec 14 04:44:28.331 INFO [stderr] 15 |     Function(Function<R>),
Dec 14 04:44:28.331 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.331 INFO [stderr] 
Dec 14 04:44:28.331 INFO [stderr] warning: variant is never constructed: `Call`
Dec 14 04:44:28.331 INFO [stderr]   --> src/ast.rs:16:5
Dec 14 04:44:28.331 INFO [stderr]    |
Dec 14 04:44:28.331 INFO [stderr] 16 |     Call,
Dec 14 04:44:28.331 INFO [stderr]    |     ^^^^
Dec 14 04:44:28.331 INFO [stderr] 
Dec 14 04:44:28.332 INFO [stderr] warning: variant is never constructed: `Return`
Dec 14 04:44:28.332 INFO [stderr]   --> src/ast.rs:17:5
Dec 14 04:44:28.332 INFO [stderr]    |
Dec 14 04:44:28.332 INFO [stderr] 17 |     Return,
Dec 14 04:44:28.332 INFO [stderr]    |     ^^^^^^
Dec 14 04:44:28.332 INFO [stderr] 
Dec 14 04:44:28.332 INFO [stderr] warning: variant is never constructed: `Store`
Dec 14 04:44:28.332 INFO [stderr]   --> src/ast.rs:20:5
Dec 14 04:44:28.332 INFO [stderr]    |
Dec 14 04:44:28.332 INFO [stderr] 20 |     Store(Mem<R>),
Dec 14 04:44:28.332 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 14 04:44:28.332 INFO [stderr] 
Dec 14 04:44:28.332 INFO [stderr] warning: variant is never constructed: `Load`
Dec 14 04:44:28.332 INFO [stderr]   --> src/ast.rs:21:5
Dec 14 04:44:28.332 INFO [stderr]    |
Dec 14 04:44:28.332 INFO [stderr] 21 |     Load(Mem<R>),
Dec 14 04:44:28.332 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 14 04:44:28.332 INFO [stderr] 
Dec 14 04:44:28.332 INFO [stderr] warning: variant is never constructed: `Print`
Dec 14 04:44:28.332 INFO [stderr]   --> src/ast.rs:24:5
Dec 14 04:44:28.332 INFO [stderr]    |
Dec 14 04:44:28.332 INFO [stderr] 24 |     Print,
Dec 14 04:44:28.332 INFO [stderr]    |     ^^^^^
Dec 14 04:44:28.332 INFO [stderr] 
Dec 14 04:44:28.332 INFO [stderr] warning: variant is never constructed: `Const`
Dec 14 04:44:28.332 INFO [stderr]   --> src/ast.rs:27:5
Dec 14 04:44:28.332 INFO [stderr]    |
Dec 14 04:44:28.332 INFO [stderr] 27 |     Const(Data),
Dec 14 04:44:28.332 INFO [stderr]    |     ^^^^^^^^^^^
Dec 14 04:44:28.332 INFO [stderr] 
Dec 14 04:44:28.332 INFO [stderr] warning: variant is never constructed: `Static`
Dec 14 04:44:28.332 INFO [stderr]   --> src/ast.rs:40:5
Dec 14 04:44:28.332 INFO [stderr]    |
Dec 14 04:44:28.332 INFO [stderr] 40 |     Static(R::Static),
Dec 14 04:44:28.332 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.332 INFO [stderr] 
Dec 14 04:44:28.332 INFO [stderr] warning: variant is never constructed: `Object`
Dec 14 04:44:28.332 INFO [stderr]   --> src/ast.rs:41:5
Dec 14 04:44:28.332 INFO [stderr]    |
Dec 14 04:44:28.332 INFO [stderr] 41 |     Object(R::Object),
Dec 14 04:44:28.332 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.332 INFO [stderr] 
Dec 14 04:44:28.332 INFO [stderr] warning: variant is never constructed: `Local`
Dec 14 04:44:28.332 INFO [stderr]   --> src/ast.rs:42:5
Dec 14 04:44:28.332 INFO [stderr]    |
Dec 14 04:44:28.332 INFO [stderr] 42 |     Local(R::Local),
Dec 14 04:44:28.332 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 14 04:44:28.332 INFO [stderr] 
Dec 14 04:44:28.332 INFO [stderr] warning: type alias is never used: `Local`
Dec 14 04:44:28.332 INFO [stderr]   --> src/ast.rs:66:1
Dec 14 04:44:28.332 INFO [stderr]    |
Dec 14 04:44:28.332 INFO [stderr] 66 | pub type Local<R: Ref> = R::Static;
Dec 14 04:44:28.332 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.332 INFO [stderr] 
Dec 14 04:44:28.332 INFO [stderr] warning: field is never used: `stack`
Dec 14 04:44:28.332 INFO [stderr]  --> src/mem.rs:6:5
Dec 14 04:44:28.332 INFO [stderr]   |
Dec 14 04:44:28.332 INFO [stderr] 6 |     stack: Stack<Data>,
Dec 14 04:44:28.332 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.332 INFO [stderr] 
Dec 14 04:44:28.332 INFO [stderr] warning: field is never used: `static_segment`
Dec 14 04:44:28.332 INFO [stderr]  --> src/mem.rs:9:5
Dec 14 04:44:28.332 INFO [stderr]   |
Dec 14 04:44:28.332 INFO [stderr] 9 |     static_segment: Segment<Data>,
Dec 14 04:44:28.332 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.332 INFO [stderr] 
Dec 14 04:44:28.332 INFO [stderr] warning: field is never used: `object_segment`
Dec 14 04:44:28.332 INFO [stderr]   --> src/mem.rs:10:5
Dec 14 04:44:28.332 INFO [stderr]    |
Dec 14 04:44:28.332 INFO [stderr] 10 |     object_segment: Segment<Data>,
Dec 14 04:44:28.332 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.332 INFO [stderr] 
Dec 14 04:44:28.332 INFO [stderr] warning: field is never used: `local_segment`
Dec 14 04:44:28.332 INFO [stderr]   --> src/mem.rs:11:5
Dec 14 04:44:28.332 INFO [stderr]    |
Dec 14 04:44:28.332 INFO [stderr] 11 |     local_segment: Segment<Data>,
Dec 14 04:44:28.332 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.332 INFO [stderr] 
Dec 14 04:44:28.332 INFO [stderr] warning: field is never used: `function_segment`
Dec 14 04:44:28.332 INFO [stderr]   --> src/mem.rs:14:5
Dec 14 04:44:28.332 INFO [stderr]    |
Dec 14 04:44:28.332 INFO [stderr] 14 |     function_segment: Segment<Function<Linked>>,
Dec 14 04:44:28.332 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.332 INFO [stderr] 
Dec 14 04:44:28.332 INFO [stderr] warning: field is never used: `mem`
Dec 14 04:44:28.332 INFO [stderr]   --> src/mem.rs:30:5
Dec 14 04:44:28.332 INFO [stderr]    |
Dec 14 04:44:28.332 INFO [stderr] 30 |     mem: Vec<T>,
Dec 14 04:44:28.332 INFO [stderr]    |     ^^^^^^^^^^^
Dec 14 04:44:28.332 INFO [stderr] 
Dec 14 04:44:28.332 INFO [stderr] warning: field is never used: `mem`
Dec 14 04:44:28.332 INFO [stderr]   --> src/mem.rs:42:5
Dec 14 04:44:28.333 INFO [stderr]    |
Dec 14 04:44:28.333 INFO [stderr] 42 |     mem: Vec<T>,
Dec 14 04:44:28.333 INFO [stderr]    |     ^^^^^^^^^^^
Dec 14 04:44:28.333 INFO [stderr] 
Dec 14 04:44:28.333 INFO [stderr] warning: field is never used: `vm_args`
Dec 14 04:44:28.333 INFO [stderr]  --> src/vm.rs:6:5
Dec 14 04:44:28.333 INFO [stderr]   |
Dec 14 04:44:28.333 INFO [stderr] 6 |     vm_args: &'a VMArgs,
Dec 14 04:44:28.333 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.333 INFO [stderr] 
Dec 14 04:44:28.333 INFO [stderr] warning: field is never used: `linker`
Dec 14 04:44:28.333 INFO [stderr]  --> src/vm.rs:7:5
Dec 14 04:44:28.333 INFO [stderr]   |
Dec 14 04:44:28.333 INFO [stderr] 7 |     linker: Linker<'a>,
Dec 14 04:44:28.333 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.333 INFO [stderr] 
Dec 14 04:44:28.333 INFO [stderr] warning: field is never used: `mem`
Dec 14 04:44:28.333 INFO [stderr]  --> src/vm.rs:8:5
Dec 14 04:44:28.333 INFO [stderr]   |
Dec 14 04:44:28.333 INFO [stderr] 8 |     mem: Mem,
Dec 14 04:44:28.333 INFO [stderr]   |     ^^^^^^^^
Dec 14 04:44:28.333 INFO [stderr] 
Dec 14 04:44:28.333 INFO [stderr] warning: method is never used: `load_class`
Dec 14 04:44:28.333 INFO [stderr]   --> src/vm.rs:19:5
Dec 14 04:44:28.333 INFO [stderr]    |
Dec 14 04:44:28.333 INFO [stderr] 19 |     pub fn load_class(&mut self, class: Class<'a, Unlinked<'a>>) {
Dec 14 04:44:28.333 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.333 INFO [stderr] 
Dec 14 04:44:28.333 INFO [stderr] warning: field is never used: `static_table`
Dec 14 04:44:28.333 INFO [stderr]  --> src/linker.rs:5:5
Dec 14 04:44:28.333 INFO [stderr]   |
Dec 14 04:44:28.333 INFO [stderr] 5 |     static_table: HashMap<Static<Unlinked<'a>>, Static<Linked>>,
Dec 14 04:44:28.333 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.333 INFO [stderr] 
Dec 14 04:44:28.333 INFO [stderr] warning: field is never used: `static_count`
Dec 14 04:44:28.333 INFO [stderr]  --> src/linker.rs:6:5
Dec 14 04:44:28.333 INFO [stderr]   |
Dec 14 04:44:28.333 INFO [stderr] 6 |     static_count: usize,
Dec 14 04:44:28.333 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.333 INFO [stderr] 
Dec 14 04:44:28.333 INFO [stderr] warning: field is never used: `object_table`
Dec 14 04:44:28.333 INFO [stderr]  --> src/linker.rs:7:5
Dec 14 04:44:28.333 INFO [stderr]   |
Dec 14 04:44:28.333 INFO [stderr] 7 |     object_table: HashMap<Object<Unlinked<'a>>, Object<Linked>>,
Dec 14 04:44:28.333 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.333 INFO [stderr] 
Dec 14 04:44:28.333 INFO [stderr] warning: field is never used: `object_count`
Dec 14 04:44:28.333 INFO [stderr]  --> src/linker.rs:8:5
Dec 14 04:44:28.333 INFO [stderr]   |
Dec 14 04:44:28.333 INFO [stderr] 8 |     object_count: HashMap<&'a str, usize>,
Dec 14 04:44:28.333 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.333 INFO [stderr] 
Dec 14 04:44:28.333 INFO [stderr] warning: method is never used: `link_class`
Dec 14 04:44:28.333 INFO [stderr]   --> src/linker.rs:20:5
Dec 14 04:44:28.333 INFO [stderr]    |
Dec 14 04:44:28.333 INFO [stderr] 20 |     pub fn link_class(&mut self, class: Class<'a, Unlinked<'a>>) -> Class<'a, Linked> {
Dec 14 04:44:28.333 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.333 INFO [stderr] 
Dec 14 04:44:28.333 INFO [stderr] warning: method is never used: `link_function`
Dec 14 04:44:28.333 INFO [stderr]   --> src/linker.rs:28:5
Dec 14 04:44:28.333 INFO [stderr]    |
Dec 14 04:44:28.333 INFO [stderr] 28 |     fn link_function(&mut self, function: Function<Unlinked<'a>>) -> Function<Linked> {
Dec 14 04:44:28.333 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.333 INFO [stderr] 
Dec 14 04:44:28.333 INFO [stderr] warning: method is never used: `link_code_vec`
Dec 14 04:44:28.333 INFO [stderr]   --> src/linker.rs:34:5
Dec 14 04:44:28.333 INFO [stderr]    |
Dec 14 04:44:28.333 INFO [stderr] 34 |     fn link_code_vec(&mut self, code_vec: Vec<Code<Unlinked<'a>>>) -> Vec<Code<Linked>> {
Dec 14 04:44:28.333 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.333 INFO [stderr] 
Dec 14 04:44:28.333 INFO [stderr] warning: method is never used: `link_code`
Dec 14 04:44:28.333 INFO [stderr]   --> src/linker.rs:39:5
Dec 14 04:44:28.333 INFO [stderr]    |
Dec 14 04:44:28.333 INFO [stderr] 39 |     fn link_code(&mut self, code: Code<Unlinked<'a>>) -> Code<Linked> {
Dec 14 04:44:28.333 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.333 INFO [stderr] 
Dec 14 04:44:28.333 INFO [stderr] warning: method is never used: `link_mem`
Dec 14 04:44:28.333 INFO [stderr]   --> src/linker.rs:50:5
Dec 14 04:44:28.333 INFO [stderr]    |
Dec 14 04:44:28.333 INFO [stderr] 50 |     fn link_mem(&mut self, mem: Mem<Unlinked<'a>>) -> Mem<Linked> {
Dec 14 04:44:28.333 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.333 INFO [stderr] 
Dec 14 04:44:28.333 INFO [stderr] warning: method is never used: `link_static`
Dec 14 04:44:28.333 INFO [stderr]   --> src/linker.rs:57:5
Dec 14 04:44:28.333 INFO [stderr]    |
Dec 14 04:44:28.333 INFO [stderr] 57 |     fn link_static(&mut self, s: Static<Unlinked<'a>>) -> Static<Linked> {
Dec 14 04:44:28.333 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.333 INFO [stderr] 
Dec 14 04:44:28.333 INFO [stderr] warning: method is never used: `link_object`
Dec 14 04:44:28.333 INFO [stderr]   --> src/linker.rs:68:5
Dec 14 04:44:28.334 INFO [stderr]    |
Dec 14 04:44:28.334 INFO [stderr] 68 |     fn link_object(&mut self, o: Object<Unlinked<'a>>) -> Object<Linked> {
Dec 14 04:44:28.334 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 04:44:28.334 INFO [stderr] 
Dec 14 04:44:28.334 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 14 04:44:28.334 INFO [stderr]   --> src/ast.rs:64:20
Dec 14 04:44:28.334 INFO [stderr]    |
Dec 14 04:44:28.334 INFO [stderr] 64 | pub type Static<R: Ref> = R::Static;
Dec 14 04:44:28.334 INFO [stderr]    |                    ^^^
Dec 14 04:44:28.334 INFO [stderr]    |
Dec 14 04:44:28.334 INFO [stderr]    = note: #[warn(type_alias_bounds)] on by default
Dec 14 04:44:28.334 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 14 04:44:28.334 INFO [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
Dec 14 04:44:28.334 INFO [stderr]   --> src/ast.rs:64:27
Dec 14 04:44:28.334 INFO [stderr]    |
Dec 14 04:44:28.334 INFO [stderr] 64 | pub type Static<R: Ref> = R::Static;
Dec 14 04:44:28.334 INFO [stderr]    |                           ^^^^^^^^^
Dec 14 04:44:28.334 INFO [stderr] 
Dec 14 04:44:28.334 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 14 04:44:28.334 INFO [stderr]   --> src/ast.rs:65:20
Dec 14 04:44:28.334 INFO [stderr]    |
Dec 14 04:44:28.334 INFO [stderr] 65 | pub type Object<R: Ref> = R::Static;
Dec 14 04:44:28.334 INFO [stderr]    |                    ^^^
Dec 14 04:44:28.334 INFO [stderr]    |
Dec 14 04:44:28.334 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 14 04:44:28.334 INFO [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
Dec 14 04:44:28.334 INFO [stderr]   --> src/ast.rs:65:27
Dec 14 04:44:28.334 INFO [stderr]    |
Dec 14 04:44:28.334 INFO [stderr] 65 | pub type Object<R: Ref> = R::Static;
Dec 14 04:44:28.334 INFO [stderr]    |                           ^^^^^^^^^
Dec 14 04:44:28.334 INFO [stderr] 
Dec 14 04:44:28.334 INFO [stderr] warning: bounds on generic parameters are not enforced in type aliases
Dec 14 04:44:28.334 INFO [stderr]   --> src/ast.rs:66:19
Dec 14 04:44:28.334 INFO [stderr]    |
Dec 14 04:44:28.334 INFO [stderr] 66 | pub type Local<R: Ref> = R::Static;
Dec 14 04:44:28.334 INFO [stderr]    |                   ^^^
Dec 14 04:44:28.334 INFO [stderr]    |
Dec 14 04:44:28.334 INFO [stderr]    = help: the bound will not be checked when the type alias is used, and should be removed
Dec 14 04:44:28.334 INFO [stderr] help: use fully disambiguated paths (i.e., `<T as Trait>::Assoc`) to refer to associated types in type aliases
Dec 14 04:44:28.334 INFO [stderr]   --> src/ast.rs:66:26
Dec 14 04:44:28.334 INFO [stderr]    |
Dec 14 04:44:28.334 INFO [stderr] 66 | pub type Local<R: Ref> = R::Static;
Dec 14 04:44:28.334 INFO [stderr]    |                          ^^^^^^^^^
Dec 14 04:44:28.334 INFO [stderr] 
Dec 14 04:44:28.683 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Dec 14 04:44:28.687 INFO [stderr] su: No module specific data is present
Dec 14 04:44:29.212 INFO running `"docker" "inspect" "40d1225473e352f5bf0cb673f754ab710c0056640a2f1ce91d4bcacd13d8b5f0"`
Dec 14 04:44:29.499 INFO running `"docker" "rm" "-f" "40d1225473e352f5bf0cb673f754ab710c0056640a2f1ce91d4bcacd13d8b5f0"`
Dec 14 04:44:29.913 INFO [stdout] 40d1225473e352f5bf0cb673f754ab710c0056640a2f1ce91d4bcacd13d8b5f0
Dec 14 04:44:29.919 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 14 04:44:30.517 INFO [stdout] 4f244048906f155c9ac248cd095ce4cb9ea1a12703c733046e2a0dfc3f27c490
Dec 14 04:44:30.520 INFO running `"docker" "start" "-a" "4f244048906f155c9ac248cd095ce4cb9ea1a12703c733046e2a0dfc3f27c490"`
Dec 14 04:44:31.741 INFO [stderr] usermod: no changes
Dec 14 04:44:31.780 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 14 04:44:31.780 INFO [stderr]      Running /target/debug/deps/muon_vm-08a0b1eaf8a86e96
Dec 14 04:44:31.795 INFO [stdout] 
Dec 14 04:44:31.795 INFO [stdout] running 0 tests
Dec 14 04:44:31.795 INFO [stdout] 
Dec 14 04:44:31.795 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 04:44:31.795 INFO [stdout] 
Dec 14 04:44:31.803 INFO [stderr] su: No module specific data is present
Dec 14 04:44:32.268 INFO running `"docker" "inspect" "4f244048906f155c9ac248cd095ce4cb9ea1a12703c733046e2a0dfc3f27c490"`
Dec 14 04:44:32.512 INFO running `"docker" "rm" "-f" "4f244048906f155c9ac248cd095ce4cb9ea1a12703c733046e2a0dfc3f27c490"`
Dec 14 04:44:32.886 INFO [stdout] 4f244048906f155c9ac248cd095ce4cb9ea1a12703c733046e2a0dfc3f27c490