[INFO] updating cached repository xplorld/wasmine
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/xplorld/wasmine
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/xplorld/wasmine" "work/ex/beta-1.38-1/sources/1.37.0/gh/xplorld/wasmine"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/xplorld/wasmine'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/xplorld/wasmine" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/xplorld/wasmine"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/xplorld/wasmine'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e571718d97098f85a335ea236a6ab743b862e730
[INFO] sha for GitHub repo xplorld/wasmine: e571718d97098f85a335ea236a6ab743b862e730
[INFO] validating manifest of xplorld/wasmine on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of xplorld/wasmine on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing xplorld/wasmine
[INFO] finished frobbing xplorld/wasmine
[INFO] frobbed toml for xplorld/wasmine written to work/ex/beta-1.38-1/sources/1.37.0/gh/xplorld/wasmine/Cargo.toml
[INFO] started frobbing xplorld/wasmine
[INFO] finished frobbing xplorld/wasmine
[INFO] frobbed toml for xplorld/wasmine written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/xplorld/wasmine/Cargo.toml
[INFO] crate xplorld/wasmine already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing xplorld/wasmine against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/xplorld/wasmine:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 14b40851661bbef84b03e816b9a054a05b2e2ca826eb2387f39df17c8280415e
[INFO] running `"docker" "start" "-a" "14b40851661bbef84b03e816b9a054a05b2e2ca826eb2387f39df17c8280415e"`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling nom v5.0.0-beta2
[INFO] [stderr]    Compiling stackvector v1.0.2
[INFO] [stderr]    Compiling lexical-core v0.4.0
[INFO] [stderr]    Compiling wasmine v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/binformat.rs:360:1
[INFO] [stderr]     |
[INFO] [stderr] 360 | / /**
[INFO] [stderr] 361 | |  * take next byte to see.
[INFO] [stderr] 362 | |  * If is End (0x0B), return the vec including content so far.
[INFO] [stderr] 363 | |  * 0x0B is eaten but not included in the vec.
[INFO] [stderr] 364 | |  * Else, parse as an Instr.
[INFO] [stderr] 365 | |  */
[INFO] [stderr]     | |___^
[INFO] [stderr] 366 | / named_args!(
[INFO] [stderr] 367 | |     instrs_till(end: u8)<Vec<Instr>>,
[INFO] [stderr] 368 | |     map!(many_till!(instr, call!(tag_byte, end)), |t| t.0)
[INFO] [stderr] 369 | | );
[INFO] [stderr]     | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::StepNormalResult::*`
[INFO] [stderr]    --> src/runtime.rs:442:13
[INFO] [stderr]     |
[INFO] [stderr] 442 |         use self::StepNormalResult::*;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `imports`
[INFO] [stderr]    --> src/binformat.rs:488:13
[INFO] [stderr]     |
[INFO] [stderr] 488 |     let (i, imports) = opt(section_import)(i)?;
[INFO] [stderr]     |             ^^^^^^^ help: consider prefixing with an underscore: `_imports`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/binformat.rs:504:13
[INFO] [stderr]     |
[INFO] [stderr] 504 |     let (i, data) = opt(section_data)(i)?;
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/runtime.rs:576:28
[INFO] [stderr]     |
[INFO] [stderr] 576 |             Instr::BrTable(args) => unimplemented!(),
[INFO] [stderr]     |                            ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/runtime.rs:448:19
[INFO] [stderr]     |
[INFO] [stderr] 444 |         let func = self.funcs.get(funcaddr).ok_or(Trap {})?;
[INFO] [stderr]     |                    ---------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 448 |         let ret = self.invoke(*func, &args[..])?;
[INFO] [stderr]     |                   ^^^^        ----- immutable borrow later used here
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_or_trap`
[INFO] [stderr]   --> src/runtime.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn assert_or_trap(cond: bool) -> Result<(), Trap> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `InvocationResult`
[INFO] [stderr]   --> src/runtime.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub type InvocationResult = Result<Option<Val>, Trap>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `StepNormalResult`
[INFO] [stderr]   --> src/runtime.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | enum StepNormalResult {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `StepResult`
[INFO] [stderr]   --> src/runtime.rs:45:1
[INFO] [stderr]    |
[INFO] [stderr] 45 | type StepResult = Result<StepNormalResult, Trap>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MemInst`
[INFO] [stderr]   --> src/runtime.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | struct MemInst {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/runtime.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn new(mem: &Mem) -> MemInst {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TableInst`
[INFO] [stderr]   --> src/runtime.rs:64:1
[INFO] [stderr]    |
[INFO] [stderr] 64 | struct TableInst {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/runtime.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn new(table: &Table) -> TableInst {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `instantiate`
[INFO] [stderr]   --> src/runtime.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn instantiate(module: &Module) -> Result<Option<TableInst>, Trap> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `GlobalInst`
[INFO] [stderr]   --> src/runtime.rs:99:1
[INFO] [stderr]    |
[INFO] [stderr] 99 | struct GlobalInst {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/runtime.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     fn new(global: &Global) -> GlobalInst {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_locals`
[INFO] [stderr]    --> src/runtime.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     pub fn new_locals(&'a self) -> Vec<Val> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `type_matches`
[INFO] [stderr]    --> src/runtime.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub fn type_matches(&self, type_: &Type) -> Result<(), Trap> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Finish`
[INFO] [stderr]    --> src/runtime.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     Finish,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Loop`
[INFO] [stderr]    --> src/runtime.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     Loop,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ValStack`
[INFO] [stderr]    --> src/runtime.rs:152:1
[INFO] [stderr]     |
[INFO] [stderr] 152 | struct ValStack {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]    --> src/runtime.rs:158:5
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn len(&self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop`
[INFO] [stderr]    --> src/runtime.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 |     fn pop(&mut self) -> Result<Val, Trap> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop_last_n`
[INFO] [stderr]    --> src/runtime.rs:169:5
[INFO] [stderr]     |
[INFO] [stderr] 169 |     fn pop_last_n(&mut self, n: Idx) -> Result<Vec<Val>, Trap> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tee`
[INFO] [stderr]    --> src/runtime.rs:178:5
[INFO] [stderr]     |
[INFO] [stderr] 178 |     fn tee(&self) -> Result<Val, Trap> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push`
[INFO] [stderr]    --> src/runtime.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     fn push(&mut self, val: Val) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `return_value`
[INFO] [stderr]    --> src/runtime.rs:188:5
[INFO] [stderr]     |
[INFO] [stderr] 188 |     fn return_value(&self, arity: usize) -> StepResult {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `unop`
[INFO] [stderr]    --> src/runtime.rs:199:5
[INFO] [stderr]     |
[INFO] [stderr] 199 | /     fn unop<F, T>(&mut self, op: F) -> Result<(), Trap>
[INFO] [stderr] 200 | |     where
[INFO] [stderr] 201 | |         F: Fn(T) -> T,
[INFO] [stderr] 202 | |         T: RawVal,
[INFO] [stderr] ...   |
[INFO] [stderr] 205 | |         Ok(self.push(op(val).into()))
[INFO] [stderr] 206 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `binop`
[INFO] [stderr]    --> src/runtime.rs:208:5
[INFO] [stderr]     |
[INFO] [stderr] 208 | /     fn binop<F, T>(&mut self, op: F) -> Result<(), Trap>
[INFO] [stderr] 209 | |     where
[INFO] [stderr] 210 | |         F: Fn(T, T) -> T,
[INFO] [stderr] 211 | |         T: RawVal,
[INFO] [stderr] ...   |
[INFO] [stderr] 215 | |         Ok(self.push(op(val1, val2).into()))
[INFO] [stderr] 216 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `binop_partial`
[INFO] [stderr]    --> src/runtime.rs:218:5
[INFO] [stderr]     |
[INFO] [stderr] 218 | /     fn binop_partial<T, U, F>(&mut self, op: F) -> Result<(), Trap>
[INFO] [stderr] 219 | |     where
[INFO] [stderr] 220 | |         F: Fn(U, U) -> Option<U>,
[INFO] [stderr] 221 | |         T: RawVal + AsPrimitive<U>,
[INFO] [stderr] ...   |
[INFO] [stderr] 226 | |         Ok(self.push(op(val1.as_(), val2.as_()).ok_or(Trap {})?.as_().into()))
[INFO] [stderr] 227 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `testop`
[INFO] [stderr]    --> src/runtime.rs:230:5
[INFO] [stderr]     |
[INFO] [stderr] 230 | /     fn testop<F, T>(&mut self, op: F) -> Result<(), Trap>
[INFO] [stderr] 231 | |     where
[INFO] [stderr] 232 | |         F: Fn(T) -> bool,
[INFO] [stderr] 233 | |         T: RawVal,
[INFO] [stderr] ...   |
[INFO] [stderr] 236 | |         Ok(self.push((op(val1) as u32).into()))
[INFO] [stderr] 237 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `relop`
[INFO] [stderr]    --> src/runtime.rs:239:5
[INFO] [stderr]     |
[INFO] [stderr] 239 | /     fn relop<T, U, F>(&mut self, op: F) -> Result<(), Trap>
[INFO] [stderr] 240 | |     where
[INFO] [stderr] 241 | |         F: Fn(&U, &U) -> bool,
[INFO] [stderr] 242 | |         T: RawVal + AsPrimitive<U>,
[INFO] [stderr] ...   |
[INFO] [stderr] 247 | |         Ok(self.push((op(&val1.as_(), &val2.as_()) as u32).into()))
[INFO] [stderr] 248 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cvtop`
[INFO] [stderr]    --> src/runtime.rs:250:5
[INFO] [stderr]     |
[INFO] [stderr] 250 | /     fn cvtop<T, U, F>(&mut self, op: F) -> Result<(), Trap>
[INFO] [stderr] 251 | |     where
[INFO] [stderr] 252 | |         F: Fn(T) -> U,
[INFO] [stderr] 253 | |         T: RawVal + AsPrimitive<U>,
[INFO] [stderr] ...   |
[INFO] [stderr] 257 | |         Ok(self.push(op(val).into()))
[INFO] [stderr] 258 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Frame`
[INFO] [stderr]    --> src/runtime.rs:270:1
[INFO] [stderr]     |
[INFO] [stderr] 270 | pub struct Frame<'a> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `enter`
[INFO] [stderr]    --> src/runtime.rs:278:5
[INFO] [stderr]     |
[INFO] [stderr] 278 |     fn enter(&mut self, block: &'a Block, cont: LabelCont) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `br`
[INFO] [stderr]    --> src/runtime.rs:289:5
[INFO] [stderr]     |
[INFO] [stderr] 289 |     fn br(&mut self, idx: usize) -> StepResult {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Runtime`
[INFO] [stderr]    --> src/runtime.rs:305:1
[INFO] [stderr]     |
[INFO] [stderr] 305 | pub struct Runtime<'a> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `instantiate_functions`
[INFO] [stderr]    --> src/runtime.rs:316:5
[INFO] [stderr]     |
[INFO] [stderr] 316 |     fn instantiate_functions(module: &'a Module) -> Result<Vec<FuncInst<'a>>, Trap> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `instantiate`
[INFO] [stderr]    --> src/runtime.rs:329:5
[INFO] [stderr]     |
[INFO] [stderr] 329 |     fn instantiate(module: &'a Module) -> Result<Runtime<'a>, Trap> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load`
[INFO] [stderr]    --> src/runtime.rs:354:5
[INFO] [stderr]     |
[INFO] [stderr] 354 | /     fn load<T, U>(&mut self, frame: &mut Frame, memarg: &Memarg) -> Result<(), Trap>
[INFO] [stderr] 355 | |     where
[INFO] [stderr] 356 | |         T: RawVal + Copy,
[INFO] [stderr] 357 | |         U: FromSlice + AsPrimitive<T>,
[INFO] [stderr] ...   |
[INFO] [stderr] 366 | |         Ok(())
[INFO] [stderr] 367 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `store`
[INFO] [stderr]    --> src/runtime.rs:380:5
[INFO] [stderr]     |
[INFO] [stderr] 380 | /     fn store<T, U>(&mut self, frame: &mut Frame, memarg: &Memarg) -> Result<(), Trap>
[INFO] [stderr] 381 | |     where
[INFO] [stderr] 382 | |         T: RawVal + AsPrimitive<U>,
[INFO] [stderr] 383 | |         U: Copy + ToSlice,
[INFO] [stderr] ...   |
[INFO] [stderr] 394 | |         Ok(())
[INFO] [stderr] 395 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_frame`
[INFO] [stderr]    --> src/runtime.rs:397:5
[INFO] [stderr]     |
[INFO] [stderr] 397 | /     fn new_frame<'b>(&self, func: FuncInst<'b>, args: &[Val]) -> Frame<'b>
[INFO] [stderr] 398 | |     where
[INFO] [stderr] 399 | |         'a: 'b,
[INFO] [stderr] 400 | |     {
[INFO] [stderr] ...   |
[INFO] [stderr] 417 | |         frame
[INFO] [stderr] 418 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `invoke`
[INFO] [stderr]    --> src/runtime.rs:419:5
[INFO] [stderr]     |
[INFO] [stderr] 419 | /     pub fn invoke<'b>(&mut self, func: FuncInst<'b>, args: &[Val]) -> InvocationResult
[INFO] [stderr] 420 | |     where
[INFO] [stderr] 421 | |         'a: 'b,
[INFO] [stderr] 422 | |     {
[INFO] [stderr] ...   |
[INFO] [stderr] 435 | |         }
[INFO] [stderr] 436 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `invoke_on_stack`
[INFO] [stderr]    --> src/runtime.rs:438:5
[INFO] [stderr]     |
[INFO] [stderr] 438 | /     fn invoke_on_stack<'b>(&mut self, stack: &mut ValStack, funcaddr: Idx) -> Result<(), Trap>
[INFO] [stderr] 439 | |     where
[INFO] [stderr] 440 | |         'a: 'b,
[INFO] [stderr] 441 | |     {
[INFO] [stderr] ...   |
[INFO] [stderr] 455 | |         Ok(())
[INFO] [stderr] 456 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `step`
[INFO] [stderr]    --> src/runtime.rs:465:5
[INFO] [stderr]     |
[INFO] [stderr] 465 | /     fn step<'b>(&'b mut self, frame: &mut Frame) -> StepResult
[INFO] [stderr] 466 | |     where
[INFO] [stderr] 467 | |         'a: 'b,
[INFO] [stderr] 468 | |     {
[INFO] [stderr] ...   |
[INFO] [stderr] 774 | |         Ok(Continue)
[INFO] [stderr] 775 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Byte`
[INFO] [stderr]   --> src/types.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type Byte = u8;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `PAGE_SIZE`
[INFO] [stderr]   --> src/types.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub const PAGE_SIZE: usize = 65535;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Data`
[INFO] [stderr]    --> src/types.rs:119:1
[INFO] [stderr]     |
[INFO] [stderr] 119 | pub struct Data {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Start`
[INFO] [stderr]    --> src/types.rs:126:1
[INFO] [stderr]     |
[INFO] [stderr] 126 | pub struct Start {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Export`
[INFO] [stderr]    --> src/types.rs:131:1
[INFO] [stderr]     |
[INFO] [stderr] 131 | pub struct Export {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ExportDesc`
[INFO] [stderr]    --> src/types.rs:137:1
[INFO] [stderr]     |
[INFO] [stderr] 137 | pub enum ExportDesc {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Import`
[INFO] [stderr]    --> src/types.rs:145:1
[INFO] [stderr]     |
[INFO] [stderr] 145 | pub struct Import {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ImportDesc`
[INFO] [stderr]    --> src/types.rs:152:1
[INFO] [stderr]     |
[INFO] [stderr] 152 | pub enum ImportDesc {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WasmineHostFunction`
[INFO] [stderr]    --> src/types.rs:225:1
[INFO] [stderr]     |
[INFO] [stderr] 225 | pub struct WasmineHostFunction {}
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]  --> src/bin/temp.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let y = &x;
[INFO] [stderr]   |         ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z`
[INFO] [stderr]  --> src/bin/temp.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let z = &mut x;
[INFO] [stderr]   |         ^ help: consider prefixing with an underscore: `_z`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.48s
[INFO] running `"docker" "inspect" "14b40851661bbef84b03e816b9a054a05b2e2ca826eb2387f39df17c8280415e"`
[INFO] running `"docker" "rm" "-f" "14b40851661bbef84b03e816b9a054a05b2e2ca826eb2387f39df17c8280415e"`
[INFO] [stdout] 14b40851661bbef84b03e816b9a054a05b2e2ca826eb2387f39df17c8280415e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/xplorld/wasmine:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] dd66214d143de0a93bfcfe39a2183c7ebaf4765a47198de6aa15e53360951fe8
[INFO] running `"docker" "start" "-a" "dd66214d143de0a93bfcfe39a2183c7ebaf4765a47198de6aa15e53360951fe8"`
[INFO] [stderr]    Compiling wasmine v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/binformat.rs:360:1
[INFO] [stderr]     |
[INFO] [stderr] 360 | / /**
[INFO] [stderr] 361 | |  * take next byte to see.
[INFO] [stderr] 362 | |  * If is End (0x0B), return the vec including content so far.
[INFO] [stderr] 363 | |  * 0x0B is eaten but not included in the vec.
[INFO] [stderr] 364 | |  * Else, parse as an Instr.
[INFO] [stderr] 365 | |  */
[INFO] [stderr]     | |___^
[INFO] [stderr] 366 | / named_args!(
[INFO] [stderr] 367 | |     instrs_till(end: u8)<Vec<Instr>>,
[INFO] [stderr] 368 | |     map!(many_till!(instr, call!(tag_byte, end)), |t| t.0)
[INFO] [stderr] 369 | | );
[INFO] [stderr]     | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]  --> src/bin/temp.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let y = &x;
[INFO] [stderr]   |         ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z`
[INFO] [stderr]  --> src/bin/temp.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let z = &mut x;
[INFO] [stderr]   |         ^ help: consider prefixing with an underscore: `_z`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::StepNormalResult::*`
[INFO] [stderr]    --> src/runtime.rs:442:13
[INFO] [stderr]     |
[INFO] [stderr] 442 |         use self::StepNormalResult::*;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `imports`
[INFO] [stderr]    --> src/binformat.rs:488:13
[INFO] [stderr]     |
[INFO] [stderr] 488 |     let (i, imports) = opt(section_import)(i)?;
[INFO] [stderr]     |             ^^^^^^^ help: consider prefixing with an underscore: `_imports`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/binformat.rs:504:13
[INFO] [stderr]     |
[INFO] [stderr] 504 |     let (i, data) = opt(section_data)(i)?;
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]    --> src/runtime.rs:576:28
[INFO] [stderr]     |
[INFO] [stderr] 576 |             Instr::BrTable(args) => unimplemented!(),
[INFO] [stderr]     |                            ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr] 
[INFO] [stderr] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stderr]    --> src/runtime.rs:448:19
[INFO] [stderr]     |
[INFO] [stderr] 444 |         let func = self.funcs.get(funcaddr).ok_or(Trap {})?;
[INFO] [stderr]     |                    ---------- immutable borrow occurs here
[INFO] [stderr] ...
[INFO] [stderr] 448 |         let ret = self.invoke(*func, &args[..])?;
[INFO] [stderr]     |                   ^^^^        ----- immutable borrow later used here
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   mutable borrow occurs here
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default
[INFO] [stderr]     = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future
[INFO] [stderr]     = note: for more information, see issue #59159 <https://github.com/rust-lang/rust/issues/59159>
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Loop`
[INFO] [stderr]    --> src/runtime.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     Loop,
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Byte`
[INFO] [stderr]   --> src/types.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type Byte = u8;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Data`
[INFO] [stderr]    --> src/types.rs:119:1
[INFO] [stderr]     |
[INFO] [stderr] 119 | pub struct Data {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Start`
[INFO] [stderr]    --> src/types.rs:126:1
[INFO] [stderr]     |
[INFO] [stderr] 126 | pub struct Start {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Export`
[INFO] [stderr]    --> src/types.rs:131:1
[INFO] [stderr]     |
[INFO] [stderr] 131 | pub struct Export {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ExportDesc`
[INFO] [stderr]    --> src/types.rs:137:1
[INFO] [stderr]     |
[INFO] [stderr] 137 | pub enum ExportDesc {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Import`
[INFO] [stderr]    --> src/types.rs:145:1
[INFO] [stderr]     |
[INFO] [stderr] 145 | pub struct Import {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ImportDesc`
[INFO] [stderr]    --> src/types.rs:152:1
[INFO] [stderr]     |
[INFO] [stderr] 152 | pub enum ImportDesc {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `WasmineHostFunction`
[INFO] [stderr]    --> src/types.rs:225:1
[INFO] [stderr]     |
[INFO] [stderr] 225 | pub struct WasmineHostFunction {}
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.38s
[INFO] running `"docker" "inspect" "dd66214d143de0a93bfcfe39a2183c7ebaf4765a47198de6aa15e53360951fe8"`
[INFO] running `"docker" "rm" "-f" "dd66214d143de0a93bfcfe39a2183c7ebaf4765a47198de6aa15e53360951fe8"`
[INFO] [stdout] dd66214d143de0a93bfcfe39a2183c7ebaf4765a47198de6aa15e53360951fe8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/xplorld/wasmine:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e8244d5cbb1932c55e30428a30afb8a7271a34aae743946472e3df85c1880c11
[INFO] running `"docker" "start" "-a" "e8244d5cbb1932c55e30428a30afb8a7271a34aae743946472e3df85c1880c11"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test runtime::test::invoke_factorial ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wasmine-f25dd4d61ff7daf5
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cli-02cec7df35dda7da
[INFO] [stderr]      Running /opt/crater/target/debug/deps/temp-9dd3587a0ae2a5c4
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wasmine
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e8244d5cbb1932c55e30428a30afb8a7271a34aae743946472e3df85c1880c11"`
[INFO] running `"docker" "rm" "-f" "e8244d5cbb1932c55e30428a30afb8a7271a34aae743946472e3df85c1880c11"`
[INFO] [stdout] e8244d5cbb1932c55e30428a30afb8a7271a34aae743946472e3df85c1880c11