Sep 04 04:16:03.114 INFO checking safe_core-0.31.0 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 04:16:03.114 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 04:16:03.115 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 04:16:03.390 INFO blam! 06fe110bd18561d54ad7e7cfa2dc7cefbc67ac6aba730a1a621d4e41063d2409
Sep 04 04:16:03.393 INFO running `"docker" "start" "-a" "06fe110bd18561d54ad7e7cfa2dc7cefbc67ac6aba730a1a621d4e41063d2409"`
Sep 04 04:16:04.861 INFO kablam!     Checking c_linked_list v1.1.1
Sep 04 04:16:04.866 INFO kablam!     Checking tiny-keccak v1.3.1
Sep 04 04:16:04.866 INFO kablam!     Checking jni-sys v0.3.0
Sep 04 04:16:04.882 INFO kablam!     Checking lru_time_cache v0.7.0
Sep 04 04:16:04.890 INFO kablam!     Checking fake_clock v0.2.0
Sep 04 04:16:04.892 INFO kablam!     Checking atty v0.2.2
Sep 04 04:16:04.892 INFO kablam!     Checking termion v1.4.0
Sep 04 04:16:04.893 INFO kablam!     Checking thread_local v0.3.6
Sep 04 04:16:06.873 INFO kablam!    Compiling brotli-sys v0.3.0
Sep 04 04:16:06.987 INFO kablam!    Compiling walkdir v2.0.1
Sep 04 04:16:07.054 INFO kablam!     Checking base64 v0.9.2
Sep 04 04:16:07.154 INFO kablam!     Checking combine v2.5.2
Sep 04 04:16:07.309 INFO kablam!     Checking bytes v0.4.9
Sep 04 04:16:08.211 INFO kablam!     Checking textwrap v0.6.0
Sep 04 04:16:10.919 INFO kablam!     Checking get_if_addrs v0.4.1
Sep 04 04:16:11.209 INFO kablam!     Checking regex v0.2.11
Sep 04 04:16:11.666 INFO kablam!     Checking url v1.5.1
Sep 04 04:16:11.808 INFO kablam!     Checking clap v2.25.1
Sep 04 04:16:11.995 INFO kablam!    Compiling miniz_oxide_c_api v0.1.3
Sep 04 04:16:16.383 INFO kablam!    Compiling bzip2 v0.3.3
Sep 04 04:16:16.416 INFO kablam!     Checking bincode v0.8.0
Sep 04 04:16:17.314 INFO kablam!     Checking tokio-threadpool v0.1.6
Sep 04 04:16:21.576 INFO kablam!     Checking config_file_handler v0.9.0
Sep 04 04:16:23.088 INFO kablam!    Compiling jni v0.10.1
Sep 04 04:16:23.698 INFO kablam!     Checking error-chain v0.11.0
Sep 04 04:16:25.654 INFO kablam!     Checking serde-value v0.5.2
Sep 04 04:16:26.759 INFO kablam!     Checking tokio-io v0.1.8
Sep 04 04:16:27.789 INFO kablam!    Compiling flate2 v1.0.2
Sep 04 04:16:30.140 INFO kablam!     Checking ws v0.7.3
Sep 04 04:16:31.373 INFO kablam!     Checking hyper v0.10.13
Sep 04 04:16:32.171 INFO kablam!     Checking log4rs v0.7.0
Sep 04 04:16:37.620 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 04 04:16:37.620 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Sep 04 04:16:37.620 INFO kablam!    |
Sep 04 04:16:37.620 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 04 04:16:37.620 INFO kablam!    |   ^^^^^
Sep 04 04:16:37.621 INFO kablam!    |
Sep 04 04:16:37.621 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 04:16:37.621 INFO kablam! 
Sep 04 04:16:37.622 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 04 04:16:37.622 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Sep 04 04:16:37.622 INFO kablam!    |
Sep 04 04:16:37.622 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 04 04:16:37.622 INFO kablam!    |   ^^^^^
Sep 04 04:16:37.622 INFO kablam!    |
Sep 04 04:16:37.622 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 04:16:37.622 INFO kablam! 
Sep 04 04:16:37.622 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 04 04:16:37.622 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/roll/delete.rs:16:3
Sep 04 04:16:37.622 INFO kablam!    |
Sep 04 04:16:37.622 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 04 04:16:37.622 INFO kablam!    |   ^^^^^
Sep 04 04:16:37.622 INFO kablam!    |
Sep 04 04:16:37.622 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 04:16:37.622 INFO kablam! 
Sep 04 04:16:37.622 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 04 04:16:37.622 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/roll/fixed_window.rs:17:3
Sep 04 04:16:37.622 INFO kablam!    |
Sep 04 04:16:37.622 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 04 04:16:37.622 INFO kablam!    |   ^^^^^
Sep 04 04:16:37.622 INFO kablam!    |
Sep 04 04:16:37.622 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 04:16:37.622 INFO kablam! 
Sep 04 04:16:37.622 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 04 04:16:37.623 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/trigger/size.rs:21:3
Sep 04 04:16:37.623 INFO kablam!    |
Sep 04 04:16:37.623 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 04 04:16:37.623 INFO kablam!    |   ^^^^^
Sep 04 04:16:37.623 INFO kablam!    |
Sep 04 04:16:37.623 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 04:16:37.623 INFO kablam! 
Sep 04 04:16:37.623 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 04 04:16:37.623 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Sep 04 04:16:37.623 INFO kablam!    |
Sep 04 04:16:37.623 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 04 04:16:37.623 INFO kablam!    |   ^^^^^
Sep 04 04:16:37.630 INFO kablam!    |
Sep 04 04:16:37.630 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 04:16:37.630 INFO kablam! 
Sep 04 04:16:37.631 INFO kablam! error[E0658]: The attribute `serde` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
Sep 04 04:16:37.631 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Sep 04 04:16:37.631 INFO kablam!    |
Sep 04 04:16:37.631 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 04 04:16:37.631 INFO kablam!    |   ^^^^^
Sep 04 04:16:37.631 INFO kablam!    |
Sep 04 04:16:37.632 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 04 04:16:37.632 INFO kablam! 
Sep 04 04:16:37.754 INFO kablam!     Checking tokio-codec v0.1.0
Sep 04 04:16:38.206 INFO kablam! error: aborting due to 7 previous errors
Sep 04 04:16:38.222 INFO kablam! 
Sep 04 04:16:38.223 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 04 04:16:38.249 INFO kablam! error: Could not compile `log4rs`.
Sep 04 04:16:38.249 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 04:16:53.708 INFO kablam! error: build failed
Sep 04 04:16:53.715 INFO kablam! su: No module specific data is present
Sep 04 04:16:54.224 INFO running `"docker" "rm" "-f" "06fe110bd18561d54ad7e7cfa2dc7cefbc67ac6aba730a1a621d4e41063d2409"`
Sep 04 04:16:54.398 INFO blam! 06fe110bd18561d54ad7e7cfa2dc7cefbc67ac6aba730a1a621d4e41063d2409