[INFO] updating cached repository https://github.com/jamestthompson3/Rustventure
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a37c6fcd670edf3a114b88df2656fc22dd938b09
[INFO] checking jamestthompson3/Rustventure against try#00e4530a79c42b21a6ca2ac1edb597c90d21f89f for pr-64672
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamestthompson3%2FRustventure" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jamestthompson3/Rustventure on toolchain 00e4530a79c42b21a6ca2ac1edb597c90d21f89f
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jamestthompson3/Rustventure
[INFO] finished tweaking git repo https://github.com/jamestthompson3/Rustventure
[INFO] tweaked toml for git repo https://github.com/jamestthompson3/Rustventure written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jamestthompson3/Rustventure already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3723008f63628ee68c7b2a22db3cce7477dd721ef806529652c35687fb45462b
[INFO] running `"docker" "start" "-a" "3723008f63628ee68c7b2a22db3cce7477dd721ef806529652c35687fb45462b"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.40
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling serde v1.0.81
[INFO] [stderr]    Compiling bumpalo v2.3.0
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling wasm-bindgen v0.2.40
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.40
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.81
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.40
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.40
[INFO] [stderr]     Checking js-sys v0.3.17
[INFO] [stderr]     Checking console_error_panic_hook v0.1.5
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub type Array;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]     = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:398:5
[INFO] [stderr]     |
[INFO] [stderr] 398 |     pub type ArrayBuffer;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]     = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:473:5
[INFO] [stderr]     |
[INFO] [stderr] 473 |     pub type Boolean;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]     = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:493:5
[INFO] [stderr]     |
[INFO] [stderr] 493 |     pub type DataView;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]     = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:725:5
[INFO] [stderr]     |
[INFO] [stderr] 725 |     pub type Error;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]     = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:764:5
[INFO] [stderr]     |
[INFO] [stderr] 764 |     pub type EvalError;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]     = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:780:5
[INFO] [stderr]     |
[INFO] [stderr] 780 |     pub type Function;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]     = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:887:5
[INFO] [stderr]     |
[INFO] [stderr] 887 |     pub type Generator;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]     = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:915:5
[INFO] [stderr]     |
[INFO] [stderr] 915 |     pub type Map;
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]     = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:1006:5
[INFO] [stderr]      |
[INFO] [stderr] 1006 |     pub type Iterator;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:1134:5
[INFO] [stderr]      |
[INFO] [stderr] 1134 |     pub type IteratorNext;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:1157:5
[INFO] [stderr]      |
[INFO] [stderr] 1157 |     pub type Math;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:1405:5
[INFO] [stderr]      |
[INFO] [stderr] 1405 |     pub type Number;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:1503:5
[INFO] [stderr]      |
[INFO] [stderr] 1503 |     pub type Date;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:1849:5
[INFO] [stderr]      |
[INFO] [stderr] 1849 |     pub type Object;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:2093:5
[INFO] [stderr]      |
[INFO] [stderr] 2093 |     pub type Proxy;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:2120:5
[INFO] [stderr]      |
[INFO] [stderr] 2120 |     pub type RangeError;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:2139:5
[INFO] [stderr]      |
[INFO] [stderr] 2139 |     pub type ReferenceError;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:2154:5
[INFO] [stderr]      |
[INFO] [stderr] 2154 |     pub type Reflect;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:2313:5
[INFO] [stderr]      |
[INFO] [stderr] 2313 |     pub type RegExp;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:2490:5
[INFO] [stderr]      |
[INFO] [stderr] 2490 |     pub type Set;
[INFO] [stderr]      |     ^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:2580:5
[INFO] [stderr]      |
[INFO] [stderr] 2580 |     pub type SyntaxError;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:2600:5
[INFO] [stderr]      |
[INFO] [stderr] 2600 |     pub type TypeError;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:2619:5
[INFO] [stderr]      |
[INFO] [stderr] 2619 |     pub type UriError;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:2634:5
[INFO] [stderr]      |
[INFO] [stderr] 2634 |     pub type WeakMap;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:2678:5
[INFO] [stderr]      |
[INFO] [stderr] 2678 |     pub type WeakSet;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:2765:9
[INFO] [stderr]      |
[INFO] [stderr] 2765 |         pub type CompileError;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:2787:9
[INFO] [stderr]      |
[INFO] [stderr] 2787 |         pub type Instance;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:2818:9
[INFO] [stderr]      |
[INFO] [stderr] 2818 |         pub type LinkError;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:2839:9
[INFO] [stderr]      |
[INFO] [stderr] 2839 |         pub type RuntimeError;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:2860:9
[INFO] [stderr]      |
[INFO] [stderr] 2860 |         pub type Module;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:2902:9
[INFO] [stderr]      |
[INFO] [stderr] 2902 |         pub type Table;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:2948:9
[INFO] [stderr]      |
[INFO] [stderr] 2948 |         pub type Memory;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:2990:5
[INFO] [stderr]      |
[INFO] [stderr] 2990 |     pub type JSON;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:3049:5
[INFO] [stderr]      |
[INFO] [stderr] 3049 |     pub type JsString;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:3575:5
[INFO] [stderr]      |
[INFO] [stderr] 3575 |     pub type Symbol;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:3724:9
[INFO] [stderr]      |
[INFO] [stderr] 3724 |         pub type Collator;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:3768:9
[INFO] [stderr]      |
[INFO] [stderr] 3768 |         pub type DateTimeFormat;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:3819:9
[INFO] [stderr]      |
[INFO] [stderr] 3819 |         pub type NumberFormat;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:3869:9
[INFO] [stderr]      |
[INFO] [stderr] 3869 |         pub type PluralRules;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:3912:5
[INFO] [stderr]      |
[INFO] [stderr] 3912 |     pub type Promise;
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.17/src/lib.rs:4044:13
[INFO] [stderr]      |
[INFO] [stderr] 4044 |               pub type $name;
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 4197 | / arrays! {
[INFO] [stderr] 4198 | |     /// `Int8Array()`
[INFO] [stderr] 4199 | |     /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Int8Array
[INFO] [stderr] 4200 | |     Int8Array: i8,
[INFO] [stderr] ...    |
[INFO] [stderr] 4232 | |     Float64Array: f64,
[INFO] [stderr] 4233 | | }
[INFO] [stderr]      | |_- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: for more information, see https://github.com/rust-lang/rust/issues/43467
[INFO] [stderr]      = help: add `#![feature(extern_types)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 42 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `js-sys`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3723008f63628ee68c7b2a22db3cce7477dd721ef806529652c35687fb45462b"`
[INFO] running `"docker" "rm" "-f" "3723008f63628ee68c7b2a22db3cce7477dd721ef806529652c35687fb45462b"`
[INFO] [stdout] 3723008f63628ee68c7b2a22db3cce7477dd721ef806529652c35687fb45462b