Dec 15 14:07:43.368 INFO testing fuzzy_dbscan-0.3.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 15 14:07:43.368 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 15 14:07:43.768 INFO [stdout] 8e50125b78a43ac1566d81453a6b8e1a6c0766008d8b629cff06f945fdf4ceb6
Dec 15 14:07:43.770 INFO running `"docker" "start" "-a" "8e50125b78a43ac1566d81453a6b8e1a6c0766008d8b629cff06f945fdf4ceb6"`
Dec 15 14:07:44.607 INFO [stderr] usermod: no changes
Dec 15 14:07:44.769 INFO [stderr]    Compiling wasm-bindgen v0.2.29
Dec 15 14:07:47.811 INFO [stderr]    Compiling fuzzy_dbscan v0.3.0 (/source)
Dec 15 14:07:50.047 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.41s
Dec 15 14:07:50.052 INFO [stderr] su: No module specific data is present
Dec 15 14:07:51.036 INFO running `"docker" "inspect" "8e50125b78a43ac1566d81453a6b8e1a6c0766008d8b629cff06f945fdf4ceb6"`
Dec 15 14:07:51.327 INFO running `"docker" "rm" "-f" "8e50125b78a43ac1566d81453a6b8e1a6c0766008d8b629cff06f945fdf4ceb6"`
Dec 15 14:07:51.699 INFO [stdout] 8e50125b78a43ac1566d81453a6b8e1a6c0766008d8b629cff06f945fdf4ceb6
Dec 15 14:07:51.704 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 15 14:07:52.478 INFO [stdout] 21f6de2e9b3450330395346a97cf76f8803ba9afc64f7b00fb318f9c346ac380
Dec 15 14:07:52.484 INFO running `"docker" "start" "-a" "21f6de2e9b3450330395346a97cf76f8803ba9afc64f7b00fb318f9c346ac380"`
Dec 15 14:07:53.571 INFO [stderr] usermod: no changes
Dec 15 14:07:53.801 INFO [stderr]    Compiling commandext v0.1.0
Dec 15 14:07:53.811 INFO [stderr]    Compiling criterion v0.2.5
Dec 15 14:07:55.477 INFO [stderr]    Compiling utils v0.0.3
Dec 15 14:07:56.101 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 15 14:07:56.101 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:83:3
Dec 15 14:07:56.101 INFO [stderr]    |
Dec 15 14:07:56.101 INFO [stderr] 83 | #[experimental]
Dec 15 14:07:56.102 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 15 14:07:56.102 INFO [stderr]    |
Dec 15 14:07:56.102 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 15 14:07:56.102 INFO [stderr] 
Dec 15 14:07:56.103 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 15 14:07:56.103 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:77:3
Dec 15 14:07:56.103 INFO [stderr]    |
Dec 15 14:07:56.103 INFO [stderr] 77 | #[experimental]
Dec 15 14:07:56.103 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 15 14:07:56.103 INFO [stderr]    |
Dec 15 14:07:56.103 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 15 14:07:56.103 INFO [stderr] 
Dec 15 14:07:56.103 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 15 14:07:56.103 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:37:3
Dec 15 14:07:56.103 INFO [stderr]    |
Dec 15 14:07:56.103 INFO [stderr] 37 | #[experimental]
Dec 15 14:07:56.103 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 15 14:07:56.103 INFO [stderr]    |
Dec 15 14:07:56.103 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 15 14:07:56.103 INFO [stderr] 
Dec 15 14:07:56.103 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 15 14:07:56.103 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:29:3
Dec 15 14:07:56.103 INFO [stderr]    |
Dec 15 14:07:56.103 INFO [stderr] 29 | #[experimental]
Dec 15 14:07:56.103 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 15 14:07:56.103 INFO [stderr]    |
Dec 15 14:07:56.103 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 15 14:07:56.103 INFO [stderr] 
Dec 15 14:07:56.103 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 15 14:07:56.103 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/lib.rs:13:3
Dec 15 14:07:56.103 INFO [stderr]    |
Dec 15 14:07:56.103 INFO [stderr] 13 | #[experimental]
Dec 15 14:07:56.103 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 15 14:07:56.103 INFO [stderr]    |
Dec 15 14:07:56.103 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 15 14:07:56.103 INFO [stderr] 
Dec 15 14:07:56.103 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 15 14:07:56.103 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:63:3
Dec 15 14:07:56.103 INFO [stderr]    |
Dec 15 14:07:56.103 INFO [stderr] 63 | #[experimental]
Dec 15 14:07:56.103 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 15 14:07:56.103 INFO [stderr]    |
Dec 15 14:07:56.103 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 15 14:07:56.103 INFO [stderr] 
Dec 15 14:07:56.103 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 15 14:07:56.104 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:45:3
Dec 15 14:07:56.104 INFO [stderr]    |
Dec 15 14:07:56.104 INFO [stderr] 45 | #[experimental]
Dec 15 14:07:56.104 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 15 14:07:56.104 INFO [stderr]    |
Dec 15 14:07:56.104 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 15 14:07:56.104 INFO [stderr] 
Dec 15 14:07:56.104 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 15 14:07:56.104 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:37:3
Dec 15 14:07:56.104 INFO [stderr]    |
Dec 15 14:07:56.104 INFO [stderr] 37 | #[experimental]
Dec 15 14:07:56.104 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 15 14:07:56.104 INFO [stderr]    |
Dec 15 14:07:56.104 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 15 14:07:56.104 INFO [stderr] 
Dec 15 14:07:56.104 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 15 14:07:56.104 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:29:3
Dec 15 14:07:56.104 INFO [stderr]    |
Dec 15 14:07:56.104 INFO [stderr] 29 | #[experimental]
Dec 15 14:07:56.104 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 15 14:07:56.104 INFO [stderr]    |
Dec 15 14:07:56.104 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 15 14:07:56.104 INFO [stderr] 
Dec 15 14:07:56.104 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 15 14:07:56.104 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:21:3
Dec 15 14:07:56.104 INFO [stderr]    |
Dec 15 14:07:56.104 INFO [stderr] 21 | #[experimental]
Dec 15 14:07:56.104 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 15 14:07:56.104 INFO [stderr]    |
Dec 15 14:07:56.104 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 15 14:07:56.104 INFO [stderr] 
Dec 15 14:07:56.104 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 15 14:07:56.104 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/utils-0.0.3/src/empty.rs:14:3
Dec 15 14:07:56.104 INFO [stderr]    |
Dec 15 14:07:56.104 INFO [stderr] 14 | #[experimental]
Dec 15 14:07:56.104 INFO [stderr]    |   ^^^^^^^^^^^^
Dec 15 14:07:56.104 INFO [stderr]    |
Dec 15 14:07:56.104 INFO [stderr]    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Dec 15 14:07:56.104 INFO [stderr] 
Dec 15 14:07:56.104 INFO [stderr] error: aborting due to 11 previous errors
Dec 15 14:07:56.104 INFO [stderr] 
Dec 15 14:07:56.104 INFO [stderr] For more information about this error, try `rustc --explain E0658`.
Dec 15 14:07:56.109 INFO [stderr] error: Could not compile `utils`.
Dec 15 14:07:56.109 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 15 14:08:05.431 INFO [stderr] error: build failed
Dec 15 14:08:05.432 INFO [stderr] su: No module specific data is present
Dec 15 14:08:05.684 INFO running `"docker" "inspect" "21f6de2e9b3450330395346a97cf76f8803ba9afc64f7b00fb318f9c346ac380"`
Dec 15 14:08:05.781 INFO running `"docker" "rm" "-f" "21f6de2e9b3450330395346a97cf76f8803ba9afc64f7b00fb318f9c346ac380"`
Dec 15 14:08:05.910 INFO [stdout] 21f6de2e9b3450330395346a97cf76f8803ba9afc64f7b00fb318f9c346ac380