Dec 18 16:18:54.599 INFO checking fuzzy_dbscan-0.3.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:18:54.600 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:18:55.005 INFO [stdout] 4b6aab97fd9a52c6dc3ed34904378c4e1a0369c9b0da0e9cbc4535138097550b
Dec 18 16:18:55.007 INFO running `"docker" "start" "-a" "4b6aab97fd9a52c6dc3ed34904378c4e1a0369c9b0da0e9cbc4535138097550b"`
Dec 18 16:18:56.161 INFO [stderr]    Compiling wasm-bindgen v0.2.29
Dec 18 16:18:56.177 INFO [stderr]     Checking commandext v0.1.0
Dec 18 16:18:56.201 INFO [stderr]    Compiling wasm-bindgen-backend v0.2.29
Dec 18 16:18:56.202 INFO [stderr]     Checking criterion v0.2.5
Dec 18 16:18:56.588 INFO [stderr]     Checking utils v0.0.3
Dec 18 16:18:57.088 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 16:18:57.088 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:83:3
Dec 18 16:18:57.088 INFO [stderr]    |
Dec 18 16:18:57.089 INFO [stderr] 83 | #[experimental]
Dec 18 16:18:57.089 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:57.089 INFO [stderr]    |
Dec 18 16:18:57.090 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:57.090 INFO [stderr] 
Dec 18 16:18:57.090 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 16:18:57.090 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:77:3
Dec 18 16:18:57.091 INFO [stderr]    |
Dec 18 16:18:57.091 INFO [stderr] 77 | #[experimental]
Dec 18 16:18:57.091 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:57.092 INFO [stderr]    |
Dec 18 16:18:57.092 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:57.092 INFO [stderr] 
Dec 18 16:18:57.092 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 16:18:57.093 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:37:3
Dec 18 16:18:57.093 INFO [stderr]    |
Dec 18 16:18:57.093 INFO [stderr] 37 | #[experimental]
Dec 18 16:18:57.093 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:57.094 INFO [stderr]    |
Dec 18 16:18:57.094 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:57.094 INFO [stderr] 
Dec 18 16:18:57.094 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 16:18:57.095 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:29:3
Dec 18 16:18:57.095 INFO [stderr]    |
Dec 18 16:18:57.095 INFO [stderr] 29 | #[experimental]
Dec 18 16:18:57.096 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:57.096 INFO [stderr]    |
Dec 18 16:18:57.096 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:57.096 INFO [stderr] 
Dec 18 16:18:57.097 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 16:18:57.097 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:13:3
Dec 18 16:18:57.097 INFO [stderr]    |
Dec 18 16:18:57.098 INFO [stderr] 13 | #[experimental]
Dec 18 16:18:57.098 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:57.098 INFO [stderr]    |
Dec 18 16:18:57.106 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:57.106 INFO [stderr] 
Dec 18 16:18:57.106 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 16:18:57.107 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:63:3
Dec 18 16:18:57.107 INFO [stderr]    |
Dec 18 16:18:57.107 INFO [stderr] 63 | #[experimental]
Dec 18 16:18:57.108 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:57.108 INFO [stderr]    |
Dec 18 16:18:57.108 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:57.108 INFO [stderr] 
Dec 18 16:18:57.109 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 16:18:57.109 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:45:3
Dec 18 16:18:57.109 INFO [stderr]    |
Dec 18 16:18:57.110 INFO [stderr] 45 | #[experimental]
Dec 18 16:18:57.110 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:57.110 INFO [stderr]    |
Dec 18 16:18:57.111 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:57.111 INFO [stderr] 
Dec 18 16:18:57.111 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 16:18:57.111 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:37:3
Dec 18 16:18:57.112 INFO [stderr]    |
Dec 18 16:18:57.112 INFO [stderr] 37 | #[experimental]
Dec 18 16:18:57.112 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:57.113 INFO [stderr]    |
Dec 18 16:18:57.113 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:57.113 INFO [stderr] 
Dec 18 16:18:57.114 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 16:18:57.114 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:29:3
Dec 18 16:18:57.114 INFO [stderr]    |
Dec 18 16:18:57.115 INFO [stderr] 29 | #[experimental]
Dec 18 16:18:57.115 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:57.115 INFO [stderr]    |
Dec 18 16:18:57.116 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:57.116 INFO [stderr] 
Dec 18 16:18:57.116 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 16:18:57.116 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:21:3
Dec 18 16:18:57.117 INFO [stderr]    |
Dec 18 16:18:57.117 INFO [stderr] 21 | #[experimental]
Dec 18 16:18:57.117 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:57.117 INFO [stderr]    |
Dec 18 16:18:57.118 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:57.118 INFO [stderr] 
Dec 18 16:18:57.118 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 16:18:57.119 INFO [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:14:3
Dec 18 16:18:57.119 INFO [stderr]    |
Dec 18 16:18:57.119 INFO [stderr] 14 | #[experimental]
Dec 18 16:18:57.120 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 18 16:18:57.120 INFO [stderr]    |
Dec 18 16:18:57.120 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 18 16:18:57.121 INFO [stderr] 
Dec 18 16:18:57.121 INFO [stderr] error: aborting due to 11 previous errors
Dec 18 16:18:57.121 INFO [stderr] 
Dec 18 16:18:57.122 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 18 16:18:57.128 INFO [stderr] error: Could not compile `utils`.
Dec 18 16:18:57.129 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 16:19:02.266 INFO [stderr] error: build failed
Dec 18 16:19:02.784 INFO running `"docker" "inspect" "4b6aab97fd9a52c6dc3ed34904378c4e1a0369c9b0da0e9cbc4535138097550b"`
Dec 18 16:19:02.874 INFO running `"docker" "rm" "-f" "4b6aab97fd9a52c6dc3ed34904378c4e1a0369c9b0da0e9cbc4535138097550b"`
Dec 18 16:19:02.952 INFO [stdout] 4b6aab97fd9a52c6dc3ed34904378c4e1a0369c9b0da0e9cbc4535138097550b