Aug 31 15:11:22.223 INFO checking rustfmt-nightly-0.99.4 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 15:11:22.223 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 15:11:22.223 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 15:11:22.398 INFO blam! 02dc2b7706a66b81362cfbfff688997d048272535390c5372383172441f86e7b
Aug 31 15:11:22.401 INFO running `"docker" "start" "-a" "02dc2b7706a66b81362cfbfff688997d048272535390c5372383172441f86e7b"`
Aug 31 15:11:23.360 INFO kablam!    Compiling rustfmt-nightly v0.99.4 (file:///source)
Aug 31 15:11:23.362 INFO kablam!     Checking rustc-hash v1.0.1
Aug 31 15:11:23.363 INFO kablam!     Checking rustc-ap-rustc_cratesio_shim v237.0.0
Aug 31 15:11:23.368 INFO kablam!    Compiling derive-new v0.5.5
Aug 31 15:11:23.371 INFO kablam!     Checking error-chain v0.12.0
Aug 31 15:11:23.375 INFO kablam!     Checking assert_cli v0.6.3
Aug 31 15:11:24.107 INFO kablam!     Checking rustc-ap-rustc_target v237.0.0
Aug 31 15:11:24.485 INFO kablam!     Checking rustc-ap-rustc_data_structures v237.0.0
Aug 31 15:11:24.506 INFO kablam!     Checking cargo_metadata v0.6.0
Aug 31 15:11:33.251 INFO kablam!     Checking rustc-ap-arena v237.0.0
Aug 31 15:11:34.791 INFO kablam!     Checking rustc-ap-syntax_pos v237.0.0
Aug 31 15:11:38.736 INFO kablam!     Checking rustc-ap-rustc_errors v237.0.0
Aug 31 15:11:43.849 INFO kablam!     Checking rustc-ap-syntax v237.0.0
Aug 31 15:12:08.554 INFO kablam! error[E0658]: tool attributes are unstable (see issue #44690)
Aug 31 15:12:08.554 INFO kablam!     --> src/comment.rs:1335:7
Aug 31 15:12:08.554 INFO kablam!      |
Aug 31 15:12:08.554 INFO kablam! 1335 |     #[rustfmt::skip]
Aug 31 15:12:08.554 INFO kablam!      |       ^^^^^^^^^^^^^
Aug 31 15:12:08.554 INFO kablam!      |
Aug 31 15:12:08.554 INFO kablam!      = help: add #![feature(tool_attributes)] to the crate attributes to enable
Aug 31 15:12:08.554 INFO kablam! 
Aug 31 15:12:09.152 INFO kablam! error[E0658]: tool attributes are unstable (see issue #44690)
Aug 31 15:12:09.152 INFO kablam!    --> src/lib.rs:595:11
Aug 31 15:12:09.152 INFO kablam!     |
Aug 31 15:12:09.152 INFO kablam! 595 |         #[rustfmt::skip]
Aug 31 15:12:09.152 INFO kablam!     |           ^^^^^^^^^^^^^
Aug 31 15:12:09.152 INFO kablam!     |
Aug 31 15:12:09.152 INFO kablam!     = help: add #![feature(tool_attributes)] to the crate attributes to enable
Aug 31 15:12:09.152 INFO kablam! 
Aug 31 15:12:09.215 INFO kablam! error: aborting due to 2 previous errors
Aug 31 15:12:09.215 INFO kablam! 
Aug 31 15:12:09.215 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 31 15:12:09.227 INFO kablam! error: Could not compile `rustfmt-nightly`.
Aug 31 15:12:09.227 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 15:12:22.461 INFO kablam! error: build failed
Aug 31 15:12:22.463 INFO kablam! su: No module specific data is present
Aug 31 15:12:22.826 INFO running `"docker" "rm" "-f" "02dc2b7706a66b81362cfbfff688997d048272535390c5372383172441f86e7b"`
Aug 31 15:12:22.920 INFO blam! 02dc2b7706a66b81362cfbfff688997d048272535390c5372383172441f86e7b