Aug 31 02:48:02.395 INFO checking rust-lang-nursery/rustfmt against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 02:48:02.395 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 02:48:02.395 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 02:48:02.671 INFO blam! c0d907865d43514a866e00bbfc7f7276cfd77ae164619b2eaca816dfa5f7f76f
Aug 31 02:48:02.673 INFO running `"docker" "start" "-a" "c0d907865d43514a866e00bbfc7f7276cfd77ae164619b2eaca816dfa5f7f76f"`
Aug 31 02:48:03.926 INFO kablam!    Compiling rustc-rayon-core v0.1.1
Aug 31 02:48:03.931 INFO kablam!    Compiling ryu v0.2.4
Aug 31 02:48:03.932 INFO kablam!    Compiling rustc-ap-rustc_target v237.0.0
Aug 31 02:48:03.959 INFO kablam!     Checking scoped-tls v0.1.2
Aug 31 02:48:03.960 INFO kablam!    Compiling rustc-ap-syntax v237.0.0
Aug 31 02:48:03.960 INFO kablam!    Compiling rustfmt-nightly v0.99.4 (file:///source)
Aug 31 02:48:03.983 INFO kablam!     Checking unicode-segmentation v1.2.1
Aug 31 02:48:03.983 INFO kablam!     Checking diff v0.1.11
Aug 31 02:48:04.768 INFO kablam!     Checking crossbeam-utils v0.2.2
Aug 31 02:48:06.803 INFO kablam!     Checking log v0.4.4
Aug 31 02:48:06.807 INFO kablam!     Checking rustc-hash v1.0.1
Aug 31 02:48:06.810 INFO kablam!    Compiling backtrace-sys v0.1.24
Aug 31 02:48:06.919 INFO kablam!     Checking smallvec v0.6.5
Aug 31 02:48:06.944 INFO kablam!    Compiling quote v0.6.6
Aug 31 02:48:07.847 INFO kablam!     Checking semver v0.9.0
Aug 31 02:48:08.113 INFO kablam!     Checking toml v0.4.6
Aug 31 02:48:08.168 INFO kablam!     Checking crossbeam-epoch v0.3.1
Aug 31 02:48:08.347 INFO kablam!     Checking colored v1.6.1
Aug 31 02:48:09.906 INFO kablam!     Checking regex v1.0.2
Aug 31 02:48:11.484 INFO kablam!     Checking ena v0.9.3
Aug 31 02:48:11.779 INFO kablam!     Checking rustc-ap-rustc_cratesio_shim v237.0.0
Aug 31 02:48:12.478 INFO kablam!    Compiling syn v0.14.8
Aug 31 02:48:12.634 INFO kablam!     Checking parking_lot_core v0.2.14
Aug 31 02:48:13.311 INFO kablam!     Checking rustc-ap-serialize v237.0.0
Aug 31 02:48:14.099 INFO kablam!     Checking crossbeam-deque v0.2.0
Aug 31 02:48:15.408 INFO kablam!     Checking serde_json v1.0.26
Aug 31 02:48:16.539 INFO kablam!     Checking parking_lot v0.5.5
Aug 31 02:48:16.935 INFO kablam!     Checking backtrace v0.3.9
Aug 31 02:48:19.885 INFO kablam!     Checking error-chain v0.12.0
Aug 31 02:48:21.641 INFO kablam!     Checking rustc-rayon v0.1.1
Aug 31 02:48:26.971 INFO kablam!     Checking env_logger v0.5.12
Aug 31 02:48:36.443 INFO kablam!     Checking rustc-ap-rustc_data_structures v237.0.0
Aug 31 02:48:45.298 INFO kablam!     Checking rustc-ap-arena v237.0.0
Aug 31 02:48:46.215 INFO kablam!     Checking rustc-ap-syntax_pos v237.0.0
Aug 31 02:48:49.167 INFO kablam!    Compiling synstructure v0.9.0
Aug 31 02:48:49.167 INFO kablam!    Compiling serde_derive v1.0.71
Aug 31 02:48:49.167 INFO kablam!    Compiling derive-new v0.5.5
Aug 31 02:48:51.751 INFO kablam!     Checking rustc-ap-rustc_errors v237.0.0
Aug 31 02:49:01.545 INFO kablam!    Compiling failure_derive v0.1.2
Aug 31 02:49:06.622 INFO kablam!     Checking failure v0.1.2
Aug 31 02:49:07.779 INFO kablam!     Checking assert_cli v0.6.3
Aug 31 02:49:26.871 INFO kablam!     Checking cargo_metadata v0.6.0
Aug 31 02:49:49.435 INFO kablam! error[E0658]: tool attributes are unstable (see issue #44690)
Aug 31 02:49:49.435 INFO kablam!     --> src/comment.rs:1333:7
Aug 31 02:49:49.435 INFO kablam!      |
Aug 31 02:49:49.435 INFO kablam! 1333 |     #[rustfmt::skip]
Aug 31 02:49:49.435 INFO kablam!      |       ^^^^^^^^^^^^^
Aug 31 02:49:49.435 INFO kablam!      |
Aug 31 02:49:49.435 INFO kablam!      = help: add #![feature(tool_attributes)] to the crate attributes to enable
Aug 31 02:49:49.435 INFO kablam! 
Aug 31 02:49:51.408 INFO kablam! error[E0658]: tool attributes are unstable (see issue #44690)
Aug 31 02:49:51.408 INFO kablam!    --> src/lib.rs:595:11
Aug 31 02:49:51.408 INFO kablam!     |
Aug 31 02:49:51.408 INFO kablam! 595 |         #[rustfmt::skip]
Aug 31 02:49:51.408 INFO kablam!     |           ^^^^^^^^^^^^^
Aug 31 02:49:51.408 INFO kablam!     |
Aug 31 02:49:51.409 INFO kablam!     = help: add #![feature(tool_attributes)] to the crate attributes to enable
Aug 31 02:49:51.409 INFO kablam! 
Aug 31 02:49:51.543 INFO kablam! error: aborting due to 2 previous errors
Aug 31 02:49:51.543 INFO kablam! 
Aug 31 02:49:51.543 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 31 02:49:51.558 INFO kablam! error: Could not compile `rustfmt-nightly`.
Aug 31 02:49:51.558 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 02:50:11.329 INFO kablam! error: build failed
Aug 31 02:50:11.329 INFO kablam! su: No module specific data is present
Aug 31 02:50:11.861 INFO running `"docker" "rm" "-f" "c0d907865d43514a866e00bbfc7f7276cfd77ae164619b2eaca816dfa5f7f76f"`
Aug 31 02:50:12.016 INFO blam! c0d907865d43514a866e00bbfc7f7276cfd77ae164619b2eaca816dfa5f7f76f