Dec 02 10:47:43.064 INFO testing wurst-0.2.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 10:47:43.064 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 10:47:43.327 INFO [stdout] 79be2ea299d399a2a48eee26da01f9ebc52cc9e6292b12562769b2fe84bdb4a5
Dec 02 10:47:43.332 INFO running `"docker" "start" "-a" "79be2ea299d399a2a48eee26da01f9ebc52cc9e6292b12562769b2fe84bdb4a5"`
Dec 02 10:47:44.110 INFO [stderr] usermod: no changes
Dec 02 10:47:44.483 INFO [stderr]    Compiling wasm-bindgen-backend v0.2.28
Dec 02 10:47:44.491 INFO [stderr]    Compiling weedle v0.8.0
Dec 02 10:47:44.491 INFO [stderr]    Compiling weedle v0.6.1
Dec 02 10:47:44.520 INFO [stderr]    Compiling env_logger v0.6.0
Dec 02 10:48:00.425 INFO [stderr]    Compiling wasm-bindgen-macro-support v0.2.28
Dec 02 10:48:04.620 INFO [stderr]    Compiling wasm-bindgen-webidl v0.2.22
Dec 02 10:48:11.947 INFO [stderr]    Compiling wasm-bindgen-macro v0.2.28
Dec 02 10:48:22.599 INFO [stderr]    Compiling web-sys v0.3.5
Dec 02 10:48:22.727 INFO [stderr]    Compiling wasm-bindgen v0.2.28
Dec 02 10:48:24.823 INFO [stderr]    Compiling js-sys v0.3.5
Dec 02 10:48:24.831 INFO [stderr]    Compiling wurst v0.2.0 (/source)
Dec 02 10:48:34.335 INFO [stderr] warning: unused variable: `code_interface_name`
Dec 02 10:48:34.335 INFO [stderr]    --> build/codegen.rs:290:13
Dec 02 10:48:34.335 INFO [stderr]     |
Dec 02 10:48:34.335 INFO [stderr] 290 |         let code_interface_name = Ident::new(
Dec 02 10:48:34.335 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^ help: consider using `_code_interface_name` instead
Dec 02 10:48:34.335 INFO [stderr]     |
Dec 02 10:48:34.335 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 02 10:48:34.335 INFO [stderr] 
Dec 02 10:48:34.335 INFO [stderr] warning: unused variable: `b`
Dec 02 10:48:34.335 INFO [stderr]    --> build/parser.rs:248:84
Dec 02 10:48:34.335 INFO [stderr]     |
Dec 02 10:48:34.335 INFO [stderr] 248 |                                                 weedle::types::NonAnyType::Boolean(b),
Dec 02 10:48:34.335 INFO [stderr]     |                                                                                    ^ help: consider using `_b` instead
Dec 02 10:48:34.335 INFO [stderr] 
Dec 02 10:48:35.039 INFO [stderr] warning: method is never used: `has_properties_in_interface`
Dec 02 10:48:35.039 INFO [stderr]    --> build/parser.rs:272:5
Dec 02 10:48:35.039 INFO [stderr]     |
Dec 02 10:48:35.039 INFO [stderr] 272 |     pub fn has_properties_in_interface(&self, interface_name: &str, method_name: &str) -> bool {
Dec 02 10:48:35.039 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 10:48:35.039 INFO [stderr]     |
Dec 02 10:48:35.051 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 02 10:48:35.051 INFO [stderr] 
Dec 02 10:48:35.054 INFO [stderr] warning: unused attribute
Dec 02 10:48:35.055 INFO [stderr]  --> build/codegen.rs:1:1
Dec 02 10:48:35.055 INFO [stderr]   |
Dec 02 10:48:35.055 INFO [stderr] 1 | #![recursion_limit = "128"]
Dec 02 10:48:35.055 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 10:48:35.055 INFO [stderr]   |
Dec 02 10:48:35.055 INFO [stderr]   = note: #[warn(unused_attributes)] on by default
Dec 02 10:48:35.055 INFO [stderr] 
Dec 02 10:48:35.071 INFO [stderr] warning: crate-level attribute should be in the root module
Dec 02 10:48:35.071 INFO [stderr]  --> build/codegen.rs:1:1
Dec 02 10:48:35.071 INFO [stderr]   |
Dec 02 10:48:35.071 INFO [stderr] 1 | #![recursion_limit = "128"]
Dec 02 10:48:35.071 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 10:48:35.071 INFO [stderr] 
Dec 02 10:48:35.074 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 10:48:35.074 INFO [stderr]    --> build/parser.rs:214:9
Dec 02 10:48:35.074 INFO [stderr]     |
Dec 02 10:48:35.074 INFO [stderr] 214 | /         weedle::parse(&source.contents).map(|r| {
Dec 02 10:48:35.074 INFO [stderr] 215 | |             for i in r {
Dec 02 10:48:35.074 INFO [stderr] 216 | |                 if let weedle::Definition::Interface(n) = i {
Dec 02 10:48:35.074 INFO [stderr] 217 | |                     let mut setters = vec![];
Dec 02 10:48:35.074 INFO [stderr] ...   |
Dec 02 10:48:35.074 INFO [stderr] 264 | |             }
Dec 02 10:48:35.074 INFO [stderr] 265 | |         });
Dec 02 10:48:35.074 INFO [stderr]     | |___________^
Dec 02 10:48:35.074 INFO [stderr]     |
Dec 02 10:48:35.074 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 02 10:48:35.074 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 10:48:35.074 INFO [stderr] 
Dec 02 10:48:35.074 INFO [stderr] warning: unused `std::iter::Filter` that must be used
Dec 02 10:48:35.074 INFO [stderr]    --> build/parser.rs:274:13
Dec 02 10:48:35.074 INFO [stderr]     |
Dec 02 10:48:35.074 INFO [stderr] 274 |             methods.iter().filter(|a| &method_name == *a);
Dec 02 10:48:35.074 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 10:48:35.074 INFO [stderr]     |
Dec 02 10:48:35.074 INFO [stderr]     = note: iterator adaptors are lazy and do nothing unless consumed
Dec 02 10:48:35.074 INFO [stderr] 
Dec 02 10:48:35.075 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 10:48:35.075 INFO [stderr]   --> build/build.rs:22:5
Dec 02 10:48:35.075 INFO [stderr]    |
Dec 02 10:48:35.075 INFO [stderr] 22 |     write!(f, "{}", codegen.get_code());
Dec 02 10:48:35.075 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 10:48:35.075 INFO [stderr]    |
Dec 02 10:48:35.091 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 10:48:35.091 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 02 10:48:35.091 INFO [stderr] 
Dec 02 10:48:58.224 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 10:48:58.224 INFO [stderr]  --> src/lib.rs:1:1
Dec 02 10:48:58.224 INFO [stderr]   |
Dec 02 10:48:58.224 INFO [stderr] 1 | #![feature(tool_lints)]
Dec 02 10:48:58.224 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 10:48:58.224 INFO [stderr] 
Dec 02 10:48:58.251 INFO [stderr] error: aborting due to previous error
Dec 02 10:48:58.251 INFO [stderr] 
Dec 02 10:48:58.251 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 10:48:58.259 INFO [stderr] error: Could not compile `wurst`.
Dec 02 10:48:58.259 INFO [stderr] 
Dec 02 10:48:58.259 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 10:48:58.261 INFO [stderr] su: No module specific data is present
Dec 02 10:48:59.154 INFO running `"docker" "inspect" "79be2ea299d399a2a48eee26da01f9ebc52cc9e6292b12562769b2fe84bdb4a5"`
Dec 02 10:48:59.409 INFO running `"docker" "rm" "-f" "79be2ea299d399a2a48eee26da01f9ebc52cc9e6292b12562769b2fe84bdb4a5"`
Dec 02 10:48:59.709 INFO [stdout] 79be2ea299d399a2a48eee26da01f9ebc52cc9e6292b12562769b2fe84bdb4a5