Aug 31 14:49:22.091 INFO checking safe_core-0.31.0 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Aug 31 14:49:22.091 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Aug 31 14:49:22.091 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-2/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 14:49:22.339 INFO blam! d354b20253adae0fc56f234a2f29c4d08c2f0967198f3e15b4f99f731e4148ac
Aug 31 14:49:22.341 INFO running `"docker" "start" "-a" "d354b20253adae0fc56f234a2f29c4d08c2f0967198f3e15b4f99f731e4148ac"`
Aug 31 14:49:23.733 INFO kablam!     Checking cesu8 v1.1.0
Aug 31 14:49:23.733 INFO kablam!     Checking tiny-keccak v1.3.1
Aug 31 14:49:23.746 INFO kablam!     Checking jni-sys v0.3.0
Aug 31 14:49:23.767 INFO kablam!     Checking fake_clock v0.2.0
Aug 31 14:49:23.795 INFO kablam!     Checking lru_time_cache v0.7.0
Aug 31 14:49:23.810 INFO kablam!     Checking atty v0.2.2
Aug 31 14:49:23.827 INFO kablam!     Checking termion v1.4.0
Aug 31 14:49:23.839 INFO kablam!    Compiling brotli-sys v0.3.0
Aug 31 14:49:26.087 INFO kablam!    Compiling walkdir v2.0.1
Aug 31 14:49:26.194 INFO kablam!     Checking base64 v0.9.2
Aug 31 14:49:26.363 INFO kablam!     Checking get_if_addrs v0.4.1
Aug 31 14:49:26.554 INFO kablam!     Checking combine v2.5.2
Aug 31 14:49:27.601 INFO kablam!     Checking bytes v0.4.9
Aug 31 14:49:29.055 INFO kablam!     Checking textwrap v0.6.0
Aug 31 14:49:30.572 INFO kablam!    Compiling bzip2-sys v0.1.6
Aug 31 14:49:31.088 INFO kablam!     Checking url v1.5.1
Aug 31 14:49:31.840 INFO kablam!     Checking crossbeam-deque v0.6.1
Aug 31 14:49:35.263 INFO kablam!     Checking regex v0.2.11
Aug 31 14:49:35.263 INFO kablam!    Compiling miniz_oxide_c_api v0.1.3
Aug 31 14:49:35.366 INFO kablam!     Checking bincode v0.8.0
Aug 31 14:49:37.355 INFO kablam!     Checking config_file_handler v0.9.0
Aug 31 14:49:38.006 INFO kablam!     Checking clap v2.25.1
Aug 31 14:49:43.424 INFO kablam!    Compiling bzip2 v0.3.3
Aug 31 14:49:43.425 INFO kablam!    Compiling jni v0.10.1
Aug 31 14:49:43.516 INFO kablam!     Checking tokio-threadpool v0.1.6
Aug 31 14:49:45.220 INFO kablam!     Checking tokio-io v0.1.8
Aug 31 14:49:47.645 INFO kablam!    Compiling flate2 v1.0.2
Aug 31 14:49:48.987 INFO kablam!     Checking hyper v0.10.13
Aug 31 14:49:56.052 INFO kablam!     Checking ws v0.7.3
Aug 31 14:49:56.361 INFO kablam!     Checking log4rs v0.7.0
Aug 31 14:49:56.581 INFO kablam!     Checking tokio-codec v0.1.0
Aug 31 14:49:57.923 INFO kablam!     Checking tokio-reactor v0.1.5
Aug 31 14:50:00.965 INFO kablam!     Checking tokio-fs v0.1.3
Aug 31 14:50:02.280 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)
Aug 31 14:50:02.280 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Aug 31 14:50:02.280 INFO kablam!    |
Aug 31 14:50:02.280 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 31 14:50:02.280 INFO kablam!    |   ^^^^^
Aug 31 14:50:02.286 INFO kablam!    |
Aug 31 14:50:02.286 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:50:02.286 INFO kablam! 
Aug 31 14:50:02.287 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)
Aug 31 14:50:02.287 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Aug 31 14:50:02.287 INFO kablam!    |
Aug 31 14:50:02.287 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 14:50:02.287 INFO kablam!    |   ^^^^^
Aug 31 14:50:02.287 INFO kablam!    |
Aug 31 14:50:02.287 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:50:02.287 INFO kablam! 
Aug 31 14:50:02.288 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)
Aug 31 14:50:02.288 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/roll/delete.rs:16:3
Aug 31 14:50:02.288 INFO kablam!    |
Aug 31 14:50:02.288 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 31 14:50:02.288 INFO kablam!    |   ^^^^^
Aug 31 14:50:02.288 INFO kablam!    |
Aug 31 14:50:02.288 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:50:02.288 INFO kablam! 
Aug 31 14:50:02.289 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)
Aug 31 14:50:02.289 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
Aug 31 14:50:02.289 INFO kablam!    |
Aug 31 14:50:02.289 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 31 14:50:02.289 INFO kablam!    |   ^^^^^
Aug 31 14:50:02.289 INFO kablam!    |
Aug 31 14:50:02.289 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:50:02.289 INFO kablam! 
Aug 31 14:50:02.289 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)
Aug 31 14:50:02.289 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/trigger/size.rs:21:3
Aug 31 14:50:02.289 INFO kablam!    |
Aug 31 14:50:02.289 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 31 14:50:02.289 INFO kablam!    |   ^^^^^
Aug 31 14:50:02.289 INFO kablam!    |
Aug 31 14:50:02.289 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:50:02.289 INFO kablam! 
Aug 31 14:50:02.291 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)
Aug 31 14:50:02.291 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Aug 31 14:50:02.291 INFO kablam!    |
Aug 31 14:50:02.291 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 31 14:50:02.291 INFO kablam!    |   ^^^^^
Aug 31 14:50:02.291 INFO kablam!    |
Aug 31 14:50:02.291 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:50:02.291 INFO kablam! 
Aug 31 14:50:02.291 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)
Aug 31 14:50:02.291 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Aug 31 14:50:02.291 INFO kablam!    |
Aug 31 14:50:02.291 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 31 14:50:02.291 INFO kablam!    |   ^^^^^
Aug 31 14:50:02.291 INFO kablam!    |
Aug 31 14:50:02.291 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 31 14:50:02.291 INFO kablam! 
Aug 31 14:50:02.780 INFO kablam! error: aborting due to 7 previous errors
Aug 31 14:50:02.786 INFO kablam! 
Aug 31 14:50:02.786 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 31 14:50:02.813 INFO kablam! error: Could not compile `log4rs`.
Aug 31 14:50:02.814 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 31 14:50:15.656 INFO kablam! error: build failed
Aug 31 14:50:15.657 INFO kablam! su: No module specific data is present
Aug 31 14:50:16.025 INFO running `"docker" "rm" "-f" "d354b20253adae0fc56f234a2f29c4d08c2f0967198f3e15b4f99f731e4148ac"`
Aug 31 14:50:16.115 INFO blam! d354b20253adae0fc56f234a2f29c4d08c2f0967198f3e15b4f99f731e4148ac