[INFO] crate wasm-core 0.2.15 is already in cache
[INFO] extracting crate wasm-core 0.2.15 into work/ex/beta-1.38-1/sources/1.37.0/reg/wasm-core/0.2.15
[INFO] extracting crate wasm-core 0.2.15 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wasm-core/0.2.15
[INFO] validating manifest of wasm-core-0.2.15 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 wasm-core-0.2.15 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 wasm-core-0.2.15
[INFO] finished frobbing wasm-core-0.2.15
[INFO] frobbed toml for wasm-core-0.2.15 written to work/ex/beta-1.38-1/sources/1.37.0/reg/wasm-core/0.2.15/Cargo.toml
[INFO] started frobbing wasm-core-0.2.15
[INFO] finished frobbing wasm-core-0.2.15
[INFO] frobbed toml for wasm-core-0.2.15 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wasm-core/0.2.15/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 wasm-core-0.2.15 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/wasm-core/0.2.15:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] cdf61134ca253c809f35482401540ad92b27b3a219560fa05d0a064e5e114528
[INFO] running `"docker" "start" "-a" "cdf61134ca253c809f35482401540ad92b27b3a219560fa05d0a064e5e114528"`
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling wasm-core v0.2.15 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(alloc)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(nll)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(core_intrinsics)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![feature(underscore_lifetimes)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/executor.rs:63:28
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub type NativeEntry = Box<Fn(&mut GlobalStateProvider, &[Value]) -> ExecuteResult<Option<Value>> + 'static>;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut GlobalStateProvider, &[Value]) -> ExecuteResult<Option<Value>> + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/executor.rs:63:36
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub type NativeEntry = Box<Fn(&mut GlobalStateProvider, &[Value]) -> ExecuteResult<Option<Value>> + 'static>;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GlobalStateProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/executor.rs:84:30
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub(crate) resolver: Box<NativeResolver>
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn NativeResolver`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/executor.rs:90:23
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub resolver: Box<NativeResolver>
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn NativeResolver`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/executor.rs:94:39
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn invoke(&mut self, rt: &mut GlobalStateProvider, args: &[Value]) -> ExecuteResult<Option<Value>> {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GlobalStateProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/executor.rs:118:29
[INFO] [stderr]     |
[INFO] [stderr] 118 |     fn builtin_resolve(rt: &GlobalStateProvider, module: &str, field: &str) -> Option<NativeEntry> {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GlobalStateProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fp_ops`
[INFO] [stderr]  --> src/value.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use fp_ops;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ExecuteError`, `ExecuteResult`
[INFO] [stderr]  --> src/fp_ops.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use executor::{ExecuteResult, ExecuteError};
[INFO] [stderr]   |                ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cfgraph.rs:47:19
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let _obj: Box<Optimizer<Return = ()>> = Box::new(Opt {});
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Optimizer<Return = ()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hetrans.rs:162:64
[INFO] [stderr]     |
[INFO] [stderr] 162 | pub fn translate_module(m: &Module, entry_fn: usize, mni: &mut MapNativeInvoke) -> Vec<u8> {
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MapNativeInvoke`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hetrans.rs:261:87
[INFO] [stderr]     |
[INFO] [stderr] 261 | fn translate_function(m: &Module, f: &Function, offset_table: &OffsetTable, mni: &mut MapNativeInvoke) -> TargetFunction {
[INFO] [stderr]     |                                                                                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MapNativeInvoke`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `wasm-core`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "cdf61134ca253c809f35482401540ad92b27b3a219560fa05d0a064e5e114528"`
[INFO] running `"docker" "rm" "-f" "cdf61134ca253c809f35482401540ad92b27b3a219560fa05d0a064e5e114528"`
[INFO] [stdout] cdf61134ca253c809f35482401540ad92b27b3a219560fa05d0a064e5e114528