[INFO] crate wurst 0.2.0 is already in cache
[INFO] extracting crate wurst 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/wurst/0.2.0
[INFO] extracting crate wurst 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/wurst/0.2.0
[INFO] validating manifest of wurst-0.2.0 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wurst-0.2.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wurst-0.2.0
[INFO] finished frobbing wurst-0.2.0
[INFO] frobbed toml for wurst-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/wurst/0.2.0/Cargo.toml
[INFO] started frobbing wurst-0.2.0
[INFO] finished frobbing wurst-0.2.0
[INFO] frobbed toml for wurst-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/wurst/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting wurst-0.2.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/wurst/0.2.0:/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=forbid" "-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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3abd6f863f7ceec4937d24642e3fbfa5ed06e3ce7d5b3c31ed93edfc20e36aa4
[INFO] running `"docker" "start" "-a" "3abd6f863f7ceec4937d24642e3fbfa5ed06e3ce7d5b3c31ed93edfc20e36aa4"`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.33
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling wasm-bindgen v0.2.33
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.33
[INFO] [stderr]    Compiling weedle v0.8.0
[INFO] [stderr]    Compiling weedle v0.6.1
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.33
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.33
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.27
[INFO] [stderr]    Compiling wurst v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking js-sys v0.3.10
[INFO] [stderr] warning: unused variable: `code_interface_name`
[INFO] [stderr]    --> build/codegen.rs:290:13
[INFO] [stderr]     |
[INFO] [stderr] 290 |         let code_interface_name = Ident::new(
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^ help: consider using `_code_interface_name` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> build/parser.rs:248:84
[INFO] [stderr]     |
[INFO] [stderr] 248 |                                                 weedle::types::NonAnyType::Boolean(b),
[INFO] [stderr]     |                                                                                    ^ help: consider using `_b` instead
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_properties_in_interface`
[INFO] [stderr]    --> build/parser.rs:272:5
[INFO] [stderr]     |
[INFO] [stderr] 272 |     pub fn has_properties_in_interface(&self, interface_name: &str, method_name: &str) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> build/codegen.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![recursion_limit = "128"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_attributes)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> build/codegen.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![recursion_limit = "128"]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> build/parser.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 | /         weedle::parse(&source.contents).map(|r| {
[INFO] [stderr] 215 | |             for i in r {
[INFO] [stderr] 216 | |                 if let weedle::Definition::Interface(n) = i {
[INFO] [stderr] 217 | |                     let mut setters = vec![];
[INFO] [stderr] ...   |
[INFO] [stderr] 264 | |             }
[INFO] [stderr] 265 | |         });
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::iter::Filter` that must be used
[INFO] [stderr]    --> build/parser.rs:274:13
[INFO] [stderr]     |
[INFO] [stderr] 274 |             methods.iter().filter(|a| &method_name == *a);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: iterator adaptors are lazy and do nothing unless consumed
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> build/build.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     write!(f, "{}", codegen.get_code());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[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)
[INFO] [stderr] 
[INFO] [stderr]    Compiling web-sys v0.3.10
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(tool_lints)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `wurst`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(tool_lints)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `wurst`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3abd6f863f7ceec4937d24642e3fbfa5ed06e3ce7d5b3c31ed93edfc20e36aa4"`
[INFO] running `"docker" "rm" "-f" "3abd6f863f7ceec4937d24642e3fbfa5ed06e3ce7d5b3c31ed93edfc20e36aa4"`
[INFO] [stdout] 3abd6f863f7ceec4937d24642e3fbfa5ed06e3ce7d5b3c31ed93edfc20e36aa4