[INFO] crate yt-tools 0.3.0 is already in cache
[INFO] checking yt-tools-0.3.0 against try#00e4530a79c42b21a6ca2ac1edb597c90d21f89f for pr-64672
[INFO] extracting crate yt-tools 0.3.0 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate yt-tools 0.3.0 on toolchain 00e4530a79c42b21a6ca2ac1edb597c90d21f89f
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate yt-tools 0.3.0
[INFO] finished tweaking crates.io crate yt-tools 0.3.0
[INFO] tweaked toml for crates.io crate yt-tools 0.3.0 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/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] 1d372119b8bb39c162a8afc08d436597dd3c7affc24a8184ebe78c107c6bd693
[INFO] running `"docker" "start" "-a" "1d372119b8bb39c162a8afc08d436597dd3c7affc24a8184ebe78c107c6bd693"`
[INFO] [stderr]     Checking js-sys v0.3.28
[INFO] [stderr]     Checking yt-tools v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0658]: extern types are experimental
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/js-sys-0.3.28/src/lib.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     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-0.3.28/src/lib.rs:452:5
[INFO] [stderr]     |
[INFO] [stderr] 452 |     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-0.3.28/src/lib.rs:502:5
[INFO] [stderr]     |
[INFO] [stderr] 502 |     pub type SharedArrayBuffer;
[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-0.3.28/src/lib.rs:718:5
[INFO] [stderr]     |
[INFO] [stderr] 718 |     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-0.3.28/src/lib.rs:766:5
[INFO] [stderr]     |
[INFO] [stderr] 766 |     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-0.3.28/src/lib.rs:998:5
[INFO] [stderr]     |
[INFO] [stderr] 998 |     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-0.3.28/src/lib.rs:1037:5
[INFO] [stderr]      |
[INFO] [stderr] 1037 |     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-0.3.28/src/lib.rs:1053:5
[INFO] [stderr]      |
[INFO] [stderr] 1053 |     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-0.3.28/src/lib.rs:1202:5
[INFO] [stderr]      |
[INFO] [stderr] 1202 |     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-0.3.28/src/lib.rs:1230:5
[INFO] [stderr]      |
[INFO] [stderr] 1230 |     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-0.3.28/src/lib.rs:1322:5
[INFO] [stderr]      |
[INFO] [stderr] 1322 |     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-0.3.28/src/lib.rs:1336:13
[INFO] [stderr]      |
[INFO] [stderr] 1336 |             type MaybeIterator;
[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-0.3.28/src/lib.rs:1464:5
[INFO] [stderr]      |
[INFO] [stderr] 1464 |     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-0.3.28/src/lib.rs:1736:5
[INFO] [stderr]      |
[INFO] [stderr] 1736 |     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-0.3.28/src/lib.rs:1867:5
[INFO] [stderr]      |
[INFO] [stderr] 1867 |     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-0.3.28/src/lib.rs:2308:5
[INFO] [stderr]      |
[INFO] [stderr] 2308 |     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-0.3.28/src/lib.rs:2575:5
[INFO] [stderr]      |
[INFO] [stderr] 2575 |     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-0.3.28/src/lib.rs:2602:5
[INFO] [stderr]      |
[INFO] [stderr] 2602 |     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-0.3.28/src/lib.rs:2621:5
[INFO] [stderr]      |
[INFO] [stderr] 2621 |     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-0.3.28/src/lib.rs:2808:5
[INFO] [stderr]      |
[INFO] [stderr] 2808 |     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-0.3.28/src/lib.rs:2985:5
[INFO] [stderr]      |
[INFO] [stderr] 2985 |     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-0.3.28/src/lib.rs:3075:5
[INFO] [stderr]      |
[INFO] [stderr] 3075 |     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-0.3.28/src/lib.rs:3095:5
[INFO] [stderr]      |
[INFO] [stderr] 3095 |     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-0.3.28/src/lib.rs:3114:5
[INFO] [stderr]      |
[INFO] [stderr] 3114 |     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-0.3.28/src/lib.rs:3129:5
[INFO] [stderr]      |
[INFO] [stderr] 3129 |     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-0.3.28/src/lib.rs:3173:5
[INFO] [stderr]      |
[INFO] [stderr] 3173 |     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-0.3.28/src/lib.rs:3260:9
[INFO] [stderr]      |
[INFO] [stderr] 3260 |         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-0.3.28/src/lib.rs:3282:9
[INFO] [stderr]      |
[INFO] [stderr] 3282 |         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-0.3.28/src/lib.rs:3313:9
[INFO] [stderr]      |
[INFO] [stderr] 3313 |         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-0.3.28/src/lib.rs:3334:9
[INFO] [stderr]      |
[INFO] [stderr] 3334 |         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-0.3.28/src/lib.rs:3355:9
[INFO] [stderr]      |
[INFO] [stderr] 3355 |         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-0.3.28/src/lib.rs:3397:9
[INFO] [stderr]      |
[INFO] [stderr] 3397 |         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-0.3.28/src/lib.rs:3443:9
[INFO] [stderr]      |
[INFO] [stderr] 3443 |         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-0.3.28/src/lib.rs:3548:5
[INFO] [stderr]      |
[INFO] [stderr] 3548 |     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-0.3.28/src/lib.rs:4150:5
[INFO] [stderr]      |
[INFO] [stderr] 4150 |     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-0.3.28/src/lib.rs:4299:9
[INFO] [stderr]      |
[INFO] [stderr] 4299 |         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-0.3.28/src/lib.rs:4343:9
[INFO] [stderr]      |
[INFO] [stderr] 4343 |         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-0.3.28/src/lib.rs:4394:9
[INFO] [stderr]      |
[INFO] [stderr] 4394 |         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-0.3.28/src/lib.rs:4444:9
[INFO] [stderr]      |
[INFO] [stderr] 4444 |         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-0.3.28/src/lib.rs:4487:5
[INFO] [stderr]      |
[INFO] [stderr] 4487 |     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-0.3.28/src/lib.rs:4609:13
[INFO] [stderr]      |
[INFO] [stderr] 4609 |             type Global;
[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-0.3.28/src/lib.rs:4665:13
[INFO] [stderr]      |
[INFO] [stderr] 4665 |               pub type $name;
[INFO] [stderr]      |               ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 4826 | / arrays! {
[INFO] [stderr] 4827 | |     /// `Int8Array()`
[INFO] [stderr] 4828 | |     /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Int8Array
[INFO] [stderr] 4829 | |     Int8Array: i8,
[INFO] [stderr] ...    |
[INFO] [stderr] 4861 | |     Float64Array: f64,
[INFO] [stderr] 4862 | | }
[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" "1d372119b8bb39c162a8afc08d436597dd3c7affc24a8184ebe78c107c6bd693"`
[INFO] running `"docker" "rm" "-f" "1d372119b8bb39c162a8afc08d436597dd3c7affc24a8184ebe78c107c6bd693"`
[INFO] [stdout] 1d372119b8bb39c162a8afc08d436597dd3c7affc24a8184ebe78c107c6bd693