Dec 18 16:18:54.267 INFO checking fuzzy_dbscan-0.3.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:18:54.284 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/fuzzy_dbscan/0.3.0:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:18:54.460 INFO [stdout] a102df76c276f55bcfb0491317dd2d181c166575d2636201d6adc3c4bb5a18bc
Dec 18 16:18:54.466 INFO running `"docker" "start" "-a" "a102df76c276f55bcfb0491317dd2d181c166575d2636201d6adc3c4bb5a18bc"`
Dec 18 16:18:55.588 INFO [stderr]    Compiling wasm-bindgen v0.2.29
Dec 18 16:18:55.589 INFO [stderr]     Checking commandext v0.1.0
Dec 18 16:18:55.599 INFO [stderr]     Checking criterion v0.2.5
Dec 18 16:18:56.223 INFO [stderr]     Checking utils v0.0.3
Dec 18 16:18:56.643 INFO [stderr] error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Dec 18 16:18:56.643 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:83:3
Dec 18 16:18:56.643 INFO [stderr]    |
Dec 18 16:18:56.643 INFO [stderr] 83 | #[experimental]
Dec 18 16:18:56.643 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:56.643 INFO [stderr]    |
Dec 18 16:18:56.643 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:56.643 INFO [stderr] 
Dec 18 16:18:56.643 INFO [stderr] error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Dec 18 16:18:56.643 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:77:3
Dec 18 16:18:56.643 INFO [stderr]    |
Dec 18 16:18:56.643 INFO [stderr] 77 | #[experimental]
Dec 18 16:18:56.643 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:56.643 INFO [stderr]    |
Dec 18 16:18:56.643 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:56.643 INFO [stderr] 
Dec 18 16:18:56.643 INFO [stderr] error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Dec 18 16:18:56.643 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:37:3
Dec 18 16:18:56.643 INFO [stderr]    |
Dec 18 16:18:56.643 INFO [stderr] 37 | #[experimental]
Dec 18 16:18:56.643 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:56.643 INFO [stderr]    |
Dec 18 16:18:56.643 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:56.643 INFO [stderr] 
Dec 18 16:18:56.644 INFO [stderr] error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Dec 18 16:18:56.644 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:29:3
Dec 18 16:18:56.644 INFO [stderr]    |
Dec 18 16:18:56.644 INFO [stderr] 29 | #[experimental]
Dec 18 16:18:56.644 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:56.644 INFO [stderr]    |
Dec 18 16:18:56.644 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:56.644 INFO [stderr] 
Dec 18 16:18:56.645 INFO [stderr] error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Dec 18 16:18:56.645 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:13:3
Dec 18 16:18:56.645 INFO [stderr]    |
Dec 18 16:18:56.645 INFO [stderr] 13 | #[experimental]
Dec 18 16:18:56.645 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:56.645 INFO [stderr]    |
Dec 18 16:18:56.645 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:56.645 INFO [stderr] 
Dec 18 16:18:56.645 INFO [stderr] error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Dec 18 16:18:56.645 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:63:3
Dec 18 16:18:56.645 INFO [stderr]    |
Dec 18 16:18:56.645 INFO [stderr] 63 | #[experimental]
Dec 18 16:18:56.645 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:56.645 INFO [stderr]    |
Dec 18 16:18:56.645 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:56.645 INFO [stderr] 
Dec 18 16:18:56.646 INFO [stderr] error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Dec 18 16:18:56.646 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:45:3
Dec 18 16:18:56.646 INFO [stderr]    |
Dec 18 16:18:56.646 INFO [stderr] 45 | #[experimental]
Dec 18 16:18:56.646 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:56.646 INFO [stderr]    |
Dec 18 16:18:56.646 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:56.646 INFO [stderr] 
Dec 18 16:18:56.646 INFO [stderr] error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Dec 18 16:18:56.646 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:37:3
Dec 18 16:18:56.646 INFO [stderr]    |
Dec 18 16:18:56.646 INFO [stderr] 37 | #[experimental]
Dec 18 16:18:56.646 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:56.646 INFO [stderr]    |
Dec 18 16:18:56.646 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:56.646 INFO [stderr] 
Dec 18 16:18:56.647 INFO [stderr] error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Dec 18 16:18:56.647 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:29:3
Dec 18 16:18:56.647 INFO [stderr]    |
Dec 18 16:18:56.647 INFO [stderr] 29 | #[experimental]
Dec 18 16:18:56.647 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:56.647 INFO [stderr]    |
Dec 18 16:18:56.647 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:56.647 INFO [stderr] 
Dec 18 16:18:56.647 INFO [stderr] error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Dec 18 16:18:56.647 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:21:3
Dec 18 16:18:56.647 INFO [stderr]    |
Dec 18 16:18:56.647 INFO [stderr] 21 | #[experimental]
Dec 18 16:18:56.647 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:56.647 INFO [stderr]    |
Dec 18 16:18:56.647 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:56.647 INFO [stderr] 
Dec 18 16:18:56.648 INFO [stderr] error[E0658]: The attribute `experimental` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Dec 18 16:18:56.648 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:14:3
Dec 18 16:18:56.648 INFO [stderr]    |
Dec 18 16:18:56.648 INFO [stderr] 14 | #[experimental]
Dec 18 16:18:56.648 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:56.648 INFO [stderr]    |
Dec 18 16:18:56.648 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:56.648 INFO [stderr] 
Dec 18 16:18:56.652 INFO [stderr] error: aborting due to 11 previous errors
Dec 18 16:18:56.652 INFO [stderr] 
Dec 18 16:18:56.652 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 18 16:18:56.656 INFO [stderr] error: Could not compile `utils`.
Dec 18 16:18:56.656 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 16:18:59.680 INFO [stderr] error: build failed
Dec 18 16:19:00.069 INFO running `"docker" "inspect" "a102df76c276f55bcfb0491317dd2d181c166575d2636201d6adc3c4bb5a18bc"`
Dec 18 16:19:00.178 INFO running `"docker" "rm" "-f" "a102df76c276f55bcfb0491317dd2d181c166575d2636201d6adc3c4bb5a18bc"`
Dec 18 16:19:00.267 INFO [stdout] a102df76c276f55bcfb0491317dd2d181c166575d2636201d6adc3c4bb5a18bc