[INFO] fetching crate wasm-core 0.2.15...
[INFO] checking wasm-core-0.2.15 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate wasm-core 0.2.15 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate wasm-core 0.2.15 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-core 0.2.15
[INFO] finished tweaking crates.io crate wasm-core 0.2.15
[INFO] tweaked toml for crates.io crate wasm-core 0.2.15 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded core_io v0.1.20190701
[INFO] [stderr]   Downloaded bincode-no-std v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 95f926d3f16bf531a4ac34e1fdd96a05bdf798a79eb5814f36dae0d0acaa36c9
[INFO] running `Command { std: "docker" "start" "-a" "95f926d3f16bf531a4ac34e1fdd96a05bdf798a79eb5814f36dae0d0acaa36c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95f926d3f16bf531a4ac34e1fdd96a05bdf798a79eb5814f36dae0d0acaa36c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f926d3f16bf531a4ac34e1fdd96a05bdf798a79eb5814f36dae0d0acaa36c9", kill_on_drop: false }`
[INFO] [stdout] 95f926d3f16bf531a4ac34e1fdd96a05bdf798a79eb5814f36dae0d0acaa36c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b85a2c6c042cecdeec459930265d74092a724ff37eb524c9bcdcf1cc220f06b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0b85a2c6c042cecdeec459930265d74092a724ff37eb524c9bcdcf1cc220f06b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking bincode v1.3.2
[INFO] [stderr]     Checking wasm-core v0.2.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/executor.rs:63:28
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub type NativeEntry = Box<Fn(&mut GlobalStateProvider, &[Value]) -> ExecuteResult<Option<Value>> + 'static>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut GlobalStateProvider, &[Value]) -> ExecuteResult<Option<Value>> + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/executor.rs:63:36
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub type NativeEntry = Box<Fn(&mut GlobalStateProvider, &[Value]) -> ExecuteResult<Option<Value>> + 'static>;
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GlobalStateProvider`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/executor.rs:84:30
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub(crate) resolver: Box<NativeResolver>
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn NativeResolver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/executor.rs:90:23
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub resolver: Box<NativeResolver>
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn NativeResolver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/executor.rs:94:39
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn invoke(&mut self, rt: &mut GlobalStateProvider, args: &[Value]) -> ExecuteResult<Option<Value>> {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GlobalStateProvider`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/executor.rs:118:29
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn builtin_resolve(rt: &GlobalStateProvider, module: &str, field: &str) -> Option<NativeEntry> {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GlobalStateProvider`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fp_ops`
[INFO] [stdout]  --> src/value.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use fp_ops;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ExecuteError`, `ExecuteResult`
[INFO] [stdout]  --> src/fp_ops.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use executor::{ExecuteResult, ExecuteError};
[INFO] [stdout]   |                ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cfgraph.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let _obj: Box<Optimizer<Return = ()>> = Box::new(Opt {});
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Optimizer<Return = ()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hetrans.rs:162:64
[INFO] [stdout]     |
[INFO] [stdout] 162 | pub fn translate_module(m: &Module, entry_fn: usize, mni: &mut MapNativeInvoke) -> Vec<u8> {
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MapNativeInvoke`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hetrans.rs:261:87
[INFO] [stdout]     |
[INFO] [stdout] 261 | fn translate_function(m: &Module, f: &Function, offset_table: &OffsetTable, mni: &mut MapNativeInvoke) -> TargetFunction {
[INFO] [stdout]     |                                                                                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MapNativeInvoke`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/executor.rs:63:28
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub type NativeEntry = Box<Fn(&mut GlobalStateProvider, &[Value]) -> ExecuteResult<Option<Value>> + 'static>;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut GlobalStateProvider, &[Value]) -> ExecuteResult<Option<Value>> + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/executor.rs:63:36
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub type NativeEntry = Box<Fn(&mut GlobalStateProvider, &[Value]) -> ExecuteResult<Option<Value>> + 'static>;
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GlobalStateProvider`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/executor.rs:84:30
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub(crate) resolver: Box<NativeResolver>
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn NativeResolver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/executor.rs:90:23
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub resolver: Box<NativeResolver>
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn NativeResolver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/executor.rs:94:39
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn invoke(&mut self, rt: &mut GlobalStateProvider, args: &[Value]) -> ExecuteResult<Option<Value>> {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GlobalStateProvider`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/executor.rs:118:29
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn builtin_resolve(rt: &GlobalStateProvider, module: &str, field: &str) -> Option<NativeEntry> {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GlobalStateProvider`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fp_ops`
[INFO] [stdout]  --> src/value.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use fp_ops;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ExecuteError`, `ExecuteResult`
[INFO] [stdout]  --> src/fp_ops.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use executor::{ExecuteResult, ExecuteError};
[INFO] [stdout]   |                ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cfgraph.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let _obj: Box<Optimizer<Return = ()>> = Box::new(Opt {});
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Optimizer<Return = ()>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hetrans.rs:162:64
[INFO] [stdout]     |
[INFO] [stdout] 162 | pub fn translate_module(m: &Module, entry_fn: usize, mni: &mut MapNativeInvoke) -> Vec<u8> {
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MapNativeInvoke`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hetrans.rs:261:87
[INFO] [stdout]     |
[INFO] [stdout] 261 | fn translate_function(m: &Module, f: &Function, offset_table: &OffsetTable, mni: &mut MapNativeInvoke) -> TargetFunction {
[INFO] [stdout]     |                                                                                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MapNativeInvoke`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/executor.rs:423:13
[INFO] [stdout]     |
[INFO] [stdout] 423 |             _ => return Err(ExecuteError::TypeMismatch)
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/executor.rs:603:25
[INFO] [stdout]     |
[INFO] [stdout] 603 |                         _ => return Err(ExecuteError::TypeMismatch)
[INFO] [stdout]     |                         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]    --> src/executor.rs:136:21
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 let text = match str::from_utf8(&mem[ptr..ptr + len]) {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/executor.rs:423:13
[INFO] [stdout]     |
[INFO] [stdout] 423 |             _ => return Err(ExecuteError::TypeMismatch)
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/executor.rs:603:25
[INFO] [stdout]     |
[INFO] [stdout] 603 |                         _ => return Err(ExecuteError::TypeMismatch)
[INFO] [stdout]     |                         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rt`
[INFO] [stdout]    --> src/executor.rs:118:24
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn builtin_resolve(rt: &GlobalStateProvider, module: &str, field: &str) -> Option<NativeEntry> {
[INFO] [stdout]     |                        ^^ help: if this is intentional, prefix it with an underscore: `_rt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `debug_print`
[INFO] [stdout]    --> src/executor.rs:446:13
[INFO] [stdout]     |
[INFO] [stdout] 446 |         let debug_print = self.rt.debug_print_hook;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_debug_print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/cfgraph.rs:145:14
[INFO] [stdout]     |
[INFO] [stdout] 145 |         for (i, bb) in self.blocks.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/ssa.rs:811:39
[INFO] [stdout]     |
[INFO] [stdout] 811 |                 RawOp::NotImplemented(ref s) => {
[INFO] [stdout]     |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/hetrans.rs:196:10
[INFO] [stdout]     |
[INFO] [stdout] 196 |     for (i, f) in functions.iter().enumerate() {
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty_rets`
[INFO] [stdout]    --> src/hetrans.rs:244:33
[INFO] [stdout]     |
[INFO] [stdout] 244 |     let Type::Func(ref ty_args, ref ty_rets) = &m.types[tf.typeidx as usize];
[INFO] [stdout]     |                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ty_rets`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty_rets`
[INFO] [stdout]    --> src/hetrans.rs:284:45
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 let Type::Func(ref ty_args, ref ty_rets) = &m.types[target_ty as usize];
[INFO] [stdout]     |                                             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ty_rets`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:440:46
[INFO] [stdout]     |
[INFO] [stdout] 440 |             Opcode::I32Load(Memarg { offset, align }) => {
[INFO] [stdout]     |                                              ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:444:48
[INFO] [stdout]     |
[INFO] [stdout] 444 |             Opcode::I32Load8U(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:448:48
[INFO] [stdout]     |
[INFO] [stdout] 448 |             Opcode::I32Load8S(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:452:49
[INFO] [stdout]     |
[INFO] [stdout] 452 |             Opcode::I32Load16U(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:456:49
[INFO] [stdout]     |
[INFO] [stdout] 456 |             Opcode::I32Load16S(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:460:47
[INFO] [stdout]     |
[INFO] [stdout] 460 |             Opcode::I32Store(Memarg { offset, align }) => {
[INFO] [stdout]     |                                               ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:464:48
[INFO] [stdout]     |
[INFO] [stdout] 464 |             Opcode::I32Store8(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:468:49
[INFO] [stdout]     |
[INFO] [stdout] 468 |             Opcode::I32Store16(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:511:46
[INFO] [stdout]     |
[INFO] [stdout] 511 |             Opcode::I64Load(Memarg { offset, align }) => {
[INFO] [stdout]     |                                              ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:515:48
[INFO] [stdout]     |
[INFO] [stdout] 515 |             Opcode::I64Load8U(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:519:48
[INFO] [stdout]     |
[INFO] [stdout] 519 |             Opcode::I64Load8S(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:523:49
[INFO] [stdout]     |
[INFO] [stdout] 523 |             Opcode::I64Load16U(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:527:49
[INFO] [stdout]     |
[INFO] [stdout] 527 |             Opcode::I64Load16S(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:531:49
[INFO] [stdout]     |
[INFO] [stdout] 531 |             Opcode::I64Load32U(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:535:49
[INFO] [stdout]     |
[INFO] [stdout] 535 |             Opcode::I64Load32S(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:539:47
[INFO] [stdout]     |
[INFO] [stdout] 539 |             Opcode::I64Store(Memarg { offset, align }) => {
[INFO] [stdout]     |                                               ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:543:48
[INFO] [stdout]     |
[INFO] [stdout] 543 |             Opcode::I64Store8(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:547:49
[INFO] [stdout]     |
[INFO] [stdout] 547 |             Opcode::I64Store16(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:551:49
[INFO] [stdout]     |
[INFO] [stdout] 551 |             Opcode::I64Store32(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]    --> src/executor.rs:136:21
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 let text = match str::from_utf8(&mem[ptr..ptr + len]) {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rt`
[INFO] [stdout]    --> src/executor.rs:118:24
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn builtin_resolve(rt: &GlobalStateProvider, module: &str, field: &str) -> Option<NativeEntry> {
[INFO] [stdout]     |                        ^^ help: if this is intentional, prefix it with an underscore: `_rt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `debug_print`
[INFO] [stdout]    --> src/executor.rs:446:13
[INFO] [stdout]     |
[INFO] [stdout] 446 |         let debug_print = self.rt.debug_print_hook;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_debug_print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/cfgraph.rs:145:14
[INFO] [stdout]     |
[INFO] [stdout] 145 |         for (i, bb) in self.blocks.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/ssa.rs:811:39
[INFO] [stdout]     |
[INFO] [stdout] 811 |                 RawOp::NotImplemented(ref s) => {
[INFO] [stdout]     |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ssa`
[INFO] [stdout]     --> src/ssa.rs:1029:13
[INFO] [stdout]      |
[INFO] [stdout] 1029 |         let ssa = FlowGraph::from_cfg(&cfg, &Module::default());
[INFO] [stdout]      |             ^^^ help: if this is intentional, prefix it with an underscore: `_ssa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/hetrans.rs:196:10
[INFO] [stdout]     |
[INFO] [stdout] 196 |     for (i, f) in functions.iter().enumerate() {
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty_rets`
[INFO] [stdout]    --> src/hetrans.rs:244:33
[INFO] [stdout]     |
[INFO] [stdout] 244 |     let Type::Func(ref ty_args, ref ty_rets) = &m.types[tf.typeidx as usize];
[INFO] [stdout]     |                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ty_rets`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty_rets`
[INFO] [stdout]    --> src/hetrans.rs:284:45
[INFO] [stdout]     |
[INFO] [stdout] 284 |                 let Type::Func(ref ty_args, ref ty_rets) = &m.types[target_ty as usize];
[INFO] [stdout]     |                                             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ty_rets`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:440:46
[INFO] [stdout]     |
[INFO] [stdout] 440 |             Opcode::I32Load(Memarg { offset, align }) => {
[INFO] [stdout]     |                                              ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:444:48
[INFO] [stdout]     |
[INFO] [stdout] 444 |             Opcode::I32Load8U(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:448:48
[INFO] [stdout]     |
[INFO] [stdout] 448 |             Opcode::I32Load8S(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:452:49
[INFO] [stdout]     |
[INFO] [stdout] 452 |             Opcode::I32Load16U(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:456:49
[INFO] [stdout]     |
[INFO] [stdout] 456 |             Opcode::I32Load16S(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:460:47
[INFO] [stdout]     |
[INFO] [stdout] 460 |             Opcode::I32Store(Memarg { offset, align }) => {
[INFO] [stdout]     |                                               ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:464:48
[INFO] [stdout]     |
[INFO] [stdout] 464 |             Opcode::I32Store8(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:468:49
[INFO] [stdout]     |
[INFO] [stdout] 468 |             Opcode::I32Store16(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:511:46
[INFO] [stdout]     |
[INFO] [stdout] 511 |             Opcode::I64Load(Memarg { offset, align }) => {
[INFO] [stdout]     |                                              ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:515:48
[INFO] [stdout]     |
[INFO] [stdout] 515 |             Opcode::I64Load8U(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:519:48
[INFO] [stdout]     |
[INFO] [stdout] 519 |             Opcode::I64Load8S(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:523:49
[INFO] [stdout]     |
[INFO] [stdout] 523 |             Opcode::I64Load16U(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:527:49
[INFO] [stdout]     |
[INFO] [stdout] 527 |             Opcode::I64Load16S(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:531:49
[INFO] [stdout]     |
[INFO] [stdout] 531 |             Opcode::I64Load32U(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:535:49
[INFO] [stdout]     |
[INFO] [stdout] 535 |             Opcode::I64Load32S(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:539:47
[INFO] [stdout]     |
[INFO] [stdout] 539 |             Opcode::I64Store(Memarg { offset, align }) => {
[INFO] [stdout]     |                                               ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:543:48
[INFO] [stdout]     |
[INFO] [stdout] 543 |             Opcode::I64Store8(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:547:49
[INFO] [stdout]     |
[INFO] [stdout] 547 |             Opcode::I64Store16(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `align`
[INFO] [stdout]    --> src/hetrans.rs:551:49
[INFO] [stdout]     |
[INFO] [stdout] 551 |             Opcode::I64Store32(Memarg { offset, align }) => {
[INFO] [stdout]     |                                                 ^^^^^ help: try ignoring the field: `align: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/executor.rs:593:25
[INFO] [stdout]     |
[INFO] [stdout] 593 |                     let mut prev_frame = self.frames.pop().unwrap();
[INFO] [stdout]     |                         ----^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/executor.rs:593:25
[INFO] [stdout]     |
[INFO] [stdout] 593 |                     let mut prev_frame = self.frames.pop().unwrap();
[INFO] [stdout]     |                         ----^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/hetrans.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let mut entry_reloc_point = build_call(m, &mut executable, entry_fn);
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]  --> src/int_ops.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Value::I32(unsafe {
[INFO] [stdout]   |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/int_ops.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Value::I32(unsafe {
[INFO] [stdout]    |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/int_ops.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Value::I32(unsafe {
[INFO] [stdout]    |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/int_ops.rs:315:16
[INFO] [stdout]     |
[INFO] [stdout] 315 |     Value::I64(unsafe {
[INFO] [stdout]     |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/int_ops.rs:322:16
[INFO] [stdout]     |
[INFO] [stdout] 322 |     Value::I64(unsafe {
[INFO] [stdout]     |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/int_ops.rs:329:16
[INFO] [stdout]     |
[INFO] [stdout] 329 |     Value::I64(unsafe {
[INFO] [stdout]     |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_scanned`
[INFO] [stdout]    --> src/ssa.rs:259:8
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn is_scanned(&self, val: &T) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(underscore_lifetimes)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(alloc)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/hetrans.rs:193:9
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let mut entry_reloc_point = build_call(m, &mut executable, entry_fn);
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]  --> src/int_ops.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Value::I32(unsafe {
[INFO] [stdout]   |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/int_ops.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Value::I32(unsafe {
[INFO] [stdout]    |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/int_ops.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Value::I32(unsafe {
[INFO] [stdout]    |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/int_ops.rs:315:16
[INFO] [stdout]     |
[INFO] [stdout] 315 |     Value::I64(unsafe {
[INFO] [stdout]     |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/int_ops.rs:322:16
[INFO] [stdout]     |
[INFO] [stdout] 322 |     Value::I64(unsafe {
[INFO] [stdout]     |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/int_ops.rs:329:16
[INFO] [stdout]     |
[INFO] [stdout] 329 |     Value::I64(unsafe {
[INFO] [stdout]     |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 52 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_scanned`
[INFO] [stdout]    --> src/ssa.rs:259:8
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn is_scanned(&self, val: &T) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(underscore_lifetimes)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(alloc)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 53 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.82s
[INFO] running `Command { std: "docker" "inspect" "0b85a2c6c042cecdeec459930265d74092a724ff37eb524c9bcdcf1cc220f06b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b85a2c6c042cecdeec459930265d74092a724ff37eb524c9bcdcf1cc220f06b", kill_on_drop: false }`
[INFO] [stdout] 0b85a2c6c042cecdeec459930265d74092a724ff37eb524c9bcdcf1cc220f06b