Sep 06 00:42:04.867 INFO checking rustfmt-nightly-0.99.4 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 00:42:04.867 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 00:42:04.867 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-4/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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=1000" "-e" "CMD=cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 00:42:05.121 INFO blam! 976fa1b228f98f7eb36cb823d0261d94e2a810f663ffa7ff9e5fea9333132096
Sep 06 00:42:05.123 INFO running `"docker" "start" "-a" "976fa1b228f98f7eb36cb823d0261d94e2a810f663ffa7ff9e5fea9333132096"`
Sep 06 00:42:05.838 INFO kablam! usermod: no changes
Sep 06 00:42:06.050 INFO kablam!    Compiling rustc-rayon-core v0.1.1
Sep 06 00:42:06.050 INFO kablam!    Compiling rustc-ap-rustc_target v237.0.0
Sep 06 00:42:06.050 INFO kablam!     Checking scoped-tls v0.1.2
Sep 06 00:42:06.050 INFO kablam!    Compiling rustc-ap-syntax v237.0.0
Sep 06 00:42:06.050 INFO kablam!    Compiling rustfmt-nightly v0.99.4 (file:///source)
Sep 06 00:42:06.058 INFO kablam!     Checking ena v0.9.3
Sep 06 00:42:06.058 INFO kablam!     Checking rustc-ap-rustc_cratesio_shim v237.0.0
Sep 06 00:42:06.058 INFO kablam!     Checking smallvec v0.6.5
Sep 06 00:42:06.926 INFO kablam!    Compiling derive-new v0.5.5
Sep 06 00:42:06.946 INFO kablam!     Checking error-chain v0.12.0
Sep 06 00:42:06.984 INFO kablam!     Checking assert_cli v0.6.3
Sep 06 00:42:07.370 INFO kablam!     Checking parking_lot_core v0.2.14
Sep 06 00:42:07.370 INFO kablam!     Checking rustc-ap-serialize v237.0.0
Sep 06 00:42:08.112 INFO kablam!     Checking cargo_metadata v0.6.0
Sep 06 00:42:08.822 INFO kablam!     Checking parking_lot v0.5.5
Sep 06 00:42:11.311 INFO kablam!     Checking rustc-rayon v0.1.1
Sep 06 00:42:20.106 INFO kablam!     Checking rustc-ap-rustc_data_structures v237.0.0
Sep 06 00:42:24.897 INFO kablam!     Checking rustc-ap-arena v237.0.0
Sep 06 00:42:25.778 INFO kablam!     Checking rustc-ap-syntax_pos v237.0.0
Sep 06 00:42:27.770 INFO kablam!     Checking rustc-ap-rustc_errors v237.0.0
Sep 06 00:43:02.542 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 56.68s
Sep 06 00:43:02.590 INFO kablam! su: No module specific data is present
Sep 06 00:43:03.585 INFO running `"docker" "rm" "-f" "976fa1b228f98f7eb36cb823d0261d94e2a810f663ffa7ff9e5fea9333132096"`
Sep 06 00:43:03.702 INFO blam! 976fa1b228f98f7eb36cb823d0261d94e2a810f663ffa7ff9e5fea9333132096