Nov 09 17:44:45.647 INFO checking Techno-coder/signal_processing against master#653da4fd006c97625247acd7e076d0782cdc149b for pr-55632
Nov 09 17:44:45.648 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-5/master#653da4fd006c97625247acd7e076d0782cdc149b:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55632/master#653da4fd006c97625247acd7e076d0782cdc149b:/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 +653da4fd006c97625247acd7e076d0782cdc149b-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"`
Nov 09 17:44:46.057 INFO blam! b1031ac34dfb4728460a1f0f13d0fcd62590718eaa9fb9ff635c3f2913ae6459
Nov 09 17:44:46.059 INFO running `"docker" "start" "-a" "b1031ac34dfb4728460a1f0f13d0fcd62590718eaa9fb9ff635c3f2913ae6459"`
Nov 09 17:44:46.586 INFO kablam! usermod: no changes
Nov 09 17:44:46.665 INFO kablam!     Checking signal_processing v0.1.0 (/source)
Nov 09 17:44:48.175 INFO kablam! error[E0658]: use of extern prelude names introduced with `extern crate` items is unstable (see issue #55599)
Nov 09 17:44:48.175 INFO kablam!   --> src/convolution.rs:44:6
Nov 09 17:44:48.175 INFO kablam!    |
Nov 09 17:44:48.175 INFO kablam! 44 |     use test::Bencher;
Nov 09 17:44:48.175 INFO kablam!    |         ^^^^
Nov 09 17:44:48.175 INFO kablam!    |
Nov 09 17:44:48.175 INFO kablam!    = help: add #![feature(extern_crate_item_prelude)] to the crate attributes to enable
Nov 09 17:44:48.175 INFO kablam! 
Nov 09 17:44:48.175 INFO kablam! error[E0658]: use of extern prelude names introduced with `extern crate` items is unstable (see issue #55599)
Nov 09 17:44:48.175 INFO kablam!    --> src/short_time_fourier.rs:121:6
Nov 09 17:44:48.175 INFO kablam!     |
Nov 09 17:44:48.175 INFO kablam! 121 |     use test::Bencher;
Nov 09 17:44:48.176 INFO kablam!     |         ^^^^
Nov 09 17:44:48.176 INFO kablam!     |
Nov 09 17:44:48.176 INFO kablam!     = help: add #![feature(extern_crate_item_prelude)] to the crate attributes to enable
Nov 09 17:44:48.176 INFO kablam! 
Nov 09 17:44:48.176 INFO kablam! error[E0658]: use of extern prelude names introduced with `extern crate` items is unstable (see issue #55599)
Nov 09 17:44:48.176 INFO kablam!    --> src/phase_vocoder.rs:168:6
Nov 09 17:44:48.176 INFO kablam!     |
Nov 09 17:44:48.176 INFO kablam! 168 |     use test::Bencher;
Nov 09 17:44:48.176 INFO kablam!     |         ^^^^
Nov 09 17:44:48.176 INFO kablam!     |
Nov 09 17:44:48.176 INFO kablam!     = help: add #![feature(extern_crate_item_prelude)] to the crate attributes to enable
Nov 09 17:44:48.176 INFO kablam! 
Nov 09 17:44:48.176 INFO kablam! error[E0658]: use of extern prelude names introduced with `extern crate` items is unstable (see issue #55599)
Nov 09 17:44:48.176 INFO kablam!   --> src/fast_fourier.rs:45:6
Nov 09 17:44:48.176 INFO kablam!    |
Nov 09 17:44:48.176 INFO kablam! 45 |     use test::Bencher;
Nov 09 17:44:48.176 INFO kablam!    |         ^^^^
Nov 09 17:44:48.176 INFO kablam!    |
Nov 09 17:44:48.176 INFO kablam!    = help: add #![feature(extern_crate_item_prelude)] to the crate attributes to enable
Nov 09 17:44:48.176 INFO kablam! 
Nov 09 17:44:48.923 INFO kablam! error: aborting due to 4 previous errors
Nov 09 17:44:48.923 INFO kablam! 
Nov 09 17:44:48.923 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Nov 09 17:44:48.936 INFO kablam! error: Could not compile `signal_processing`.
Nov 09 17:44:48.936 INFO kablam! warning: build failed, waiting for other jobs to finish...
Nov 09 17:44:50.095 INFO kablam! error: build failed
Nov 09 17:44:50.095 INFO kablam! su: No module specific data is present
Nov 09 17:44:51.335 INFO running `"docker" "rm" "-f" "b1031ac34dfb4728460a1f0f13d0fcd62590718eaa9fb9ff635c3f2913ae6459"`
Nov 09 17:44:51.631 INFO blam! b1031ac34dfb4728460a1f0f13d0fcd62590718eaa9fb9ff635c3f2913ae6459