Sep 01 07:36:16.763 INFO checking safe_crypto-0.3.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 07:36:16.763 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 07:36:16.763 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 07:36:16.987 INFO blam! 7efa7c2d303d9d727a8b8f77d6bccf807fe162fa27293eda042ef2855ba7f2e3
Sep 01 07:36:16.989 INFO running `"docker" "start" "-a" "7efa7c2d303d9d727a8b8f77d6bccf807fe162fa27293eda042ef2855ba7f2e3"`
Sep 01 07:36:17.962 INFO kablam!    Compiling stable_deref_trait v1.1.1
Sep 01 07:36:17.964 INFO kablam!    Compiling crossbeam-utils v0.5.0
Sep 01 07:36:17.964 INFO kablam!    Compiling slab v0.4.1
Sep 01 07:36:17.978 INFO kablam!    Compiling net2 v0.2.33
Sep 01 07:36:17.978 INFO kablam!    Compiling encoding_rs v0.8.6
Sep 01 07:36:17.978 INFO kablam!    Compiling tokio-executor v0.1.4
Sep 01 07:36:17.983 INFO kablam!    Compiling futures-cpupool v0.1.8
Sep 01 07:36:17.983 INFO kablam!    Compiling uuid v0.6.5
Sep 01 07:36:19.568 INFO kablam!    Compiling want v0.0.4
Sep 01 07:36:20.347 INFO kablam!    Compiling serde v1.0.75
Sep 01 07:36:24.244 INFO kablam!    Compiling parking_lot_core v0.3.0
Sep 01 07:36:24.254 INFO kablam!    Compiling tokio-io v0.1.8
Sep 01 07:36:24.258 INFO kablam!    Compiling owning_ref v0.3.3
Sep 01 07:36:24.279 INFO kablam!    Compiling url v1.5.1
Sep 01 07:36:24.281 INFO kablam!    Compiling crossbeam-epoch v0.5.2
Sep 01 07:36:24.352 INFO kablam!    Compiling tokio-current-thread v0.1.1
Sep 01 07:36:27.497 INFO kablam!    Compiling tokio-timer v0.2.6
Sep 01 07:36:34.706 INFO kablam!     Checking serde_yaml v0.7.5
Sep 01 07:36:34.726 INFO kablam!     Checking toml v0.4.6
Sep 01 07:36:34.818 INFO kablam!     Checking regex v0.2.11
Sep 01 07:36:36.965 INFO kablam!     Checking tiny-keccak v1.4.2
Sep 01 07:36:43.310 INFO kablam!    Compiling mime v0.3.9
Sep 01 07:36:43.346 INFO kablam!    Compiling openssl v0.9.24
Sep 01 07:36:43.643 INFO kablam!    Compiling libflate v0.1.16
Sep 01 07:36:54.238 INFO kablam!    Compiling mio v0.6.15
Sep 01 07:36:54.306 INFO kablam!    Compiling lock_api v0.1.3
Sep 01 07:36:54.358 INFO kablam!    Compiling crossbeam-deque v0.6.1
Sep 01 07:36:54.478 INFO kablam!     Checking config_file_handler v0.9.0
Sep 01 07:36:54.657 INFO kablam!     Checking bincode v0.8.0
Sep 01 07:36:58.454 INFO kablam!    Compiling tokio-codec v0.1.0
Sep 01 07:36:58.630 INFO kablam!    Compiling phf v0.7.23
Sep 01 07:36:58.805 INFO kablam!    Compiling flate2 v1.0.2
Sep 01 07:37:01.016 INFO kablam!    Compiling sha2 v0.7.1
Sep 01 07:37:05.171 INFO kablam!     Checking serde-value v0.5.2
Sep 01 07:37:05.844 INFO kablam!    Compiling tokio-threadpool v0.1.6
Sep 01 07:37:05.849 INFO kablam!    Compiling parking_lot v0.6.4
Sep 01 07:37:05.851 INFO kablam!    Compiling mime_guess v2.0.0-alpha.6
Sep 01 07:37:05.888 INFO kablam!    Compiling zip v0.3.3
Sep 01 07:37:11.541 INFO kablam!     Checking log4rs v0.7.0
Sep 01 07:37:11.553 INFO kablam!    Compiling mio-uds v0.6.6
Sep 01 07:37:13.743 INFO kablam!    Compiling tokio-reactor v0.1.5
Sep 01 07:37:13.753 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 01 07:37:13.753 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Sep 01 07:37:13.753 INFO kablam!    |
Sep 01 07:37:13.753 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 01 07:37:13.753 INFO kablam!    |   ^^^^^
Sep 01 07:37:13.754 INFO kablam!    |
Sep 01 07:37:13.754 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:37:13.754 INFO kablam! 
Sep 01 07:37:13.754 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 01 07:37:13.754 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Sep 01 07:37:13.754 INFO kablam!    |
Sep 01 07:37:13.754 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 01 07:37:13.754 INFO kablam!    |   ^^^^^
Sep 01 07:37:13.754 INFO kablam!    |
Sep 01 07:37:13.755 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:37:13.755 INFO kablam! 
Sep 01 07:37:13.755 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 01 07:37:13.755 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 01 07:37:13.755 INFO kablam!    |
Sep 01 07:37:13.755 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 01 07:37:13.755 INFO kablam!    |   ^^^^^
Sep 01 07:37:13.755 INFO kablam!    |
Sep 01 07:37:13.755 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:37:13.755 INFO kablam! 
Sep 01 07:37:13.755 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 01 07:37:13.755 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 01 07:37:13.755 INFO kablam!    |
Sep 01 07:37:13.755 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 01 07:37:13.755 INFO kablam!    |   ^^^^^
Sep 01 07:37:13.756 INFO kablam!    |
Sep 01 07:37:13.756 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:37:13.756 INFO kablam! 
Sep 01 07:37:13.756 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 01 07:37:13.756 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 01 07:37:13.756 INFO kablam!    |
Sep 01 07:37:13.756 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 01 07:37:13.756 INFO kablam!    |   ^^^^^
Sep 01 07:37:13.756 INFO kablam!    |
Sep 01 07:37:13.757 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:37:13.757 INFO kablam! 
Sep 01 07:37:13.757 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 01 07:37:13.757 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Sep 01 07:37:13.757 INFO kablam!    |
Sep 01 07:37:13.757 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 01 07:37:13.757 INFO kablam!    |   ^^^^^
Sep 01 07:37:13.758 INFO kablam!    |
Sep 01 07:37:13.758 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:37:13.758 INFO kablam! 
Sep 01 07:37:13.759 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 01 07:37:13.759 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Sep 01 07:37:13.759 INFO kablam!    |
Sep 01 07:37:13.759 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 01 07:37:13.759 INFO kablam!    |   ^^^^^
Sep 01 07:37:13.759 INFO kablam!    |
Sep 01 07:37:13.759 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 01 07:37:13.759 INFO kablam! 
Sep 01 07:37:13.902 INFO kablam!    Compiling tokio-fs v0.1.3
Sep 01 07:37:13.924 INFO kablam! error: aborting due to 7 previous errors
Sep 01 07:37:13.924 INFO kablam! 
Sep 01 07:37:13.924 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 01 07:37:13.930 INFO kablam! error: Could not compile `log4rs`.
Sep 01 07:37:13.931 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 07:37:17.375 INFO kablam! error: build failed
Sep 01 07:37:17.375 INFO kablam! su: No module specific data is present
Sep 01 07:37:17.826 INFO running `"docker" "rm" "-f" "7efa7c2d303d9d727a8b8f77d6bccf807fe162fa27293eda042ef2855ba7f2e3"`
Sep 01 07:37:17.913 INFO blam! 7efa7c2d303d9d727a8b8f77d6bccf807fe162fa27293eda042ef2855ba7f2e3