Aug 30 21:01:51.527 INFO checking connectr-1.0.0 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 21:01:51.527 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 21:01:51.527 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-3/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 21:01:51.744 INFO blam! 856f2cca0c85a09d25150ea0465944b7fb64a83c19e0a6c7b79bf2a6da0b9cd2
Aug 30 21:01:51.746 INFO running `"docker" "start" "-a" "856f2cca0c85a09d25150ea0465944b7fb64a83c19e0a6c7b79bf2a6da0b9cd2"`
Aug 30 21:01:52.883 INFO kablam!    Compiling rubrail v0.7.0
Aug 30 21:01:52.893 INFO kablam!    Compiling wrapped-vec v0.2.1
Aug 30 21:01:52.897 INFO kablam!     Checking tokio-io v0.1.8
Aug 30 21:01:52.908 INFO kablam!     Checking mio v0.6.15
Aug 30 21:01:52.912 INFO kablam!     Checking log v0.3.9
Aug 30 21:01:52.914 INFO kablam!     Checking want v0.0.4
Aug 30 21:01:52.923 INFO kablam!     Checking serde-value v0.5.2
Aug 30 21:01:52.926 INFO kablam!     Checking timer v0.2.0
Aug 30 21:01:55.285 INFO kablam!     Checking tokio-threadpool v0.1.6
Aug 30 21:01:57.925 INFO kablam!     Checking log4rs v0.8.0
Aug 30 21:01:58.178 INFO kablam!     Checking tokio-codec v0.1.0
Aug 30 21:02:00.840 INFO kablam!     Checking mio-uds v0.6.6
Aug 30 21:02:00.861 INFO kablam!     Checking tokio-reactor v0.1.5
Aug 30 21:02:01.258 INFO kablam!     Checking tokio-fs v0.1.3
Aug 30 21:02:01.863 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 30 21:02:01.863 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/file.rs:25:3
Aug 30 21:02:01.863 INFO kablam!    |
Aug 30 21:02:01.863 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 30 21:02:01.864 INFO kablam!    |   ^^^^^
Aug 30 21:02:01.864 INFO kablam!    |
Aug 30 21:02:01.864 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 21:02:01.864 INFO kablam! 
Aug 30 21:02:01.864 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 30 21:02:01.864 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/console.rs:24:3
Aug 30 21:02:01.864 INFO kablam!    |
Aug 30 21:02:01.864 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 21:02:01.864 INFO kablam!    |   ^^^^^
Aug 30 21:02:01.864 INFO kablam!    |
Aug 30 21:02:01.865 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 21:02:01.865 INFO kablam! 
Aug 30 21:02:01.865 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 30 21:02:01.865 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/roll/delete.rs:16:3
Aug 30 21:02:01.865 INFO kablam!    |
Aug 30 21:02:01.865 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 30 21:02:01.865 INFO kablam!    |   ^^^^^
Aug 30 21:02:01.866 INFO kablam!    |
Aug 30 21:02:01.866 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 21:02:01.866 INFO kablam! 
Aug 30 21:02:01.867 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 30 21:02:01.867 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/roll/fixed_window.rs:17:3
Aug 30 21:02:01.867 INFO kablam!    |
Aug 30 21:02:01.867 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 30 21:02:01.867 INFO kablam!    |   ^^^^^
Aug 30 21:02:01.867 INFO kablam!    |
Aug 30 21:02:01.868 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 21:02:01.868 INFO kablam! 
Aug 30 21:02:01.869 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 30 21:02:01.869 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/trigger/size.rs:21:3
Aug 30 21:02:01.869 INFO kablam!    |
Aug 30 21:02:01.869 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 30 21:02:01.869 INFO kablam!    |   ^^^^^
Aug 30 21:02:01.869 INFO kablam!    |
Aug 30 21:02:01.869 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 21:02:01.870 INFO kablam! 
Aug 30 21:02:01.870 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 30 21:02:01.870 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Aug 30 21:02:01.870 INFO kablam!    |
Aug 30 21:02:01.870 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 21:02:01.870 INFO kablam!    |   ^^^^^
Aug 30 21:02:01.871 INFO kablam!    |
Aug 30 21:02:01.871 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 21:02:01.871 INFO kablam! 
Aug 30 21:02:01.872 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 30 21:02:01.872 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.8.0/src/append/rolling_file/mod.rs:46:3
Aug 30 21:02:01.872 INFO kablam!    |
Aug 30 21:02:01.872 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 30 21:02:01.872 INFO kablam!    |   ^^^^^
Aug 30 21:02:01.872 INFO kablam!    |
Aug 30 21:02:01.873 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 21:02:01.873 INFO kablam! 
Aug 30 21:02:02.038 INFO kablam! error: aborting due to 7 previous errors
Aug 30 21:02:02.038 INFO kablam! 
Aug 30 21:02:02.038 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 30 21:02:02.067 INFO kablam! error: Could not compile `log4rs`.
Aug 30 21:02:02.068 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 21:02:06.398 INFO kablam! error: build failed
Aug 30 21:02:06.400 INFO kablam! su: No module specific data is present
Aug 30 21:02:06.852 INFO running `"docker" "rm" "-f" "856f2cca0c85a09d25150ea0465944b7fb64a83c19e0a6c7b79bf2a6da0b9cd2"`
Aug 30 21:02:06.963 INFO blam! 856f2cca0c85a09d25150ea0465944b7fb64a83c19e0a6c7b79bf2a6da0b9cd2