Dec 12 14:45:03.770 INFO checking fuzzy_dbscan-0.3.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 14:45:03.770 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 14:45:04.041 INFO [stdout] 9d8d453ada7f1b142af1c888c56a7f4f4fbffdb738545e9bf0581abc05af666a
Dec 12 14:45:04.046 INFO running `"docker" "start" "-a" "9d8d453ada7f1b142af1c888c56a7f4f4fbffdb738545e9bf0581abc05af666a"`
Dec 12 14:45:04.744 INFO [stderr] usermod: no changes
Dec 12 14:45:04.932 INFO [stderr]    Compiling wasm-bindgen v0.2.29
Dec 12 14:45:04.932 INFO [stderr]     Checking commandext v0.1.0
Dec 12 14:45:04.932 INFO [stderr]    Compiling wasm-bindgen-backend v0.2.29
Dec 12 14:45:04.948 INFO [stderr]     Checking criterion v0.2.5
Dec 12 14:45:06.866 INFO [stderr]     Checking utils v0.0.3
Dec 12 14:45:07.830 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 12 14:45:07.830 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:83:3
Dec 12 14:45:07.831 INFO [stderr]    |
Dec 12 14:45:07.831 INFO [stderr] 83 | #[experimental]
Dec 12 14:45:07.832 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 12 14:45:07.832 INFO [stderr]    |
Dec 12 14:45:07.832 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 12 14:45:07.832 INFO [stderr] 
Dec 12 14:45:07.833 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 12 14:45:07.833 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:77:3
Dec 12 14:45:07.833 INFO [stderr]    |
Dec 12 14:45:07.833 INFO [stderr] 77 | #[experimental]
Dec 12 14:45:07.834 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 12 14:45:07.834 INFO [stderr]    |
Dec 12 14:45:07.834 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 12 14:45:07.834 INFO [stderr] 
Dec 12 14:45:07.835 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 12 14:45:07.835 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:37:3
Dec 12 14:45:07.835 INFO [stderr]    |
Dec 12 14:45:07.835 INFO [stderr] 37 | #[experimental]
Dec 12 14:45:07.835 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 12 14:45:07.835 INFO [stderr]    |
Dec 12 14:45:07.835 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 12 14:45:07.835 INFO [stderr] 
Dec 12 14:45:07.835 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 12 14:45:07.836 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:29:3
Dec 12 14:45:07.836 INFO [stderr]    |
Dec 12 14:45:07.836 INFO [stderr] 29 | #[experimental]
Dec 12 14:45:07.836 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 12 14:45:07.836 INFO [stderr]    |
Dec 12 14:45:07.836 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 12 14:45:07.836 INFO [stderr] 
Dec 12 14:45:07.836 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 12 14:45:07.836 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:13:3
Dec 12 14:45:07.837 INFO [stderr]    |
Dec 12 14:45:07.837 INFO [stderr] 13 | #[experimental]
Dec 12 14:45:07.837 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 12 14:45:07.837 INFO [stderr]    |
Dec 12 14:45:07.837 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 12 14:45:07.837 INFO [stderr] 
Dec 12 14:45:07.837 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 12 14:45:07.837 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:63:3
Dec 12 14:45:07.837 INFO [stderr]    |
Dec 12 14:45:07.837 INFO [stderr] 63 | #[experimental]
Dec 12 14:45:07.837 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 12 14:45:07.837 INFO [stderr]    |
Dec 12 14:45:07.838 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 12 14:45:07.838 INFO [stderr] 
Dec 12 14:45:07.838 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 12 14:45:07.838 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:45:3
Dec 12 14:45:07.838 INFO [stderr]    |
Dec 12 14:45:07.838 INFO [stderr] 45 | #[experimental]
Dec 12 14:45:07.838 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 12 14:45:07.838 INFO [stderr]    |
Dec 12 14:45:07.838 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 12 14:45:07.838 INFO [stderr] 
Dec 12 14:45:07.839 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 12 14:45:07.839 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:37:3
Dec 12 14:45:07.839 INFO [stderr]    |
Dec 12 14:45:07.839 INFO [stderr] 37 | #[experimental]
Dec 12 14:45:07.839 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 12 14:45:07.839 INFO [stderr]    |
Dec 12 14:45:07.839 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 12 14:45:07.839 INFO [stderr] 
Dec 12 14:45:07.839 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 12 14:45:07.840 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:29:3
Dec 12 14:45:07.840 INFO [stderr]    |
Dec 12 14:45:07.840 INFO [stderr] 29 | #[experimental]
Dec 12 14:45:07.840 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 12 14:45:07.840 INFO [stderr]    |
Dec 12 14:45:07.840 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 12 14:45:07.840 INFO [stderr] 
Dec 12 14:45:07.840 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 12 14:45:07.840 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:21:3
Dec 12 14:45:07.840 INFO [stderr]    |
Dec 12 14:45:07.840 INFO [stderr] 21 | #[experimental]
Dec 12 14:45:07.841 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 12 14:45:07.841 INFO [stderr]    |
Dec 12 14:45:07.841 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 12 14:45:07.841 INFO [stderr] 
Dec 12 14:45:07.841 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 12 14:45:07.841 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:14:3
Dec 12 14:45:07.841 INFO [stderr]    |
Dec 12 14:45:07.841 INFO [stderr] 14 | #[experimental]
Dec 12 14:45:07.841 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 12 14:45:07.842 INFO [stderr]    |
Dec 12 14:45:07.842 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 12 14:45:07.842 INFO [stderr] 
Dec 12 14:45:07.842 INFO [stderr] error: aborting due to 11 previous errors
Dec 12 14:45:07.842 INFO [stderr] 
Dec 12 14:45:07.842 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 12 14:45:07.843 INFO [stderr] error: Could not compile `utils`.
Dec 12 14:45:07.844 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 12 14:45:14.960 INFO [stderr] error: build failed
Dec 12 14:45:14.980 INFO [stderr] su: No module specific data is present
Dec 12 14:45:15.258 INFO running `"docker" "inspect" "9d8d453ada7f1b142af1c888c56a7f4f4fbffdb738545e9bf0581abc05af666a"`
Dec 12 14:45:15.417 INFO running `"docker" "rm" "-f" "9d8d453ada7f1b142af1c888c56a7f4f4fbffdb738545e9bf0581abc05af666a"`
Dec 12 14:45:15.544 INFO [stdout] 9d8d453ada7f1b142af1c888c56a7f4f4fbffdb738545e9bf0581abc05af666a