Aug 30 20:32:07.174 INFO checking crust-0.31.0 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 20:32:07.174 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 20:32:07.174 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-3/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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 +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 20:32:07.313 INFO blam! ec203bc45a529187de06e620c129987d9eb449db7444e4f6ba86c854383f1ca9
Aug 30 20:32:07.314 INFO running `"docker" "start" "-a" "ec203bc45a529187de06e620c129987d9eb449db7444e4f6ba86c854383f1ca9"`
Aug 30 20:32:08.523 INFO kablam!    Compiling base64 v0.9.2
Aug 30 20:32:08.526 INFO kablam!    Compiling bytes v0.4.9
Aug 30 20:32:08.528 INFO kablam!    Compiling want v0.0.4
Aug 30 20:32:08.528 INFO kablam!    Compiling mio v0.6.15
Aug 30 20:32:08.540 INFO kablam!    Compiling url v1.5.1
Aug 30 20:32:08.546 INFO kablam!    Compiling tokio-threadpool v0.1.6
Aug 30 20:32:13.197 INFO kablam!    Compiling libflate v0.1.16
Aug 30 20:32:17.391 INFO kablam!     Checking bincode v0.8.0
Aug 30 20:32:17.475 INFO kablam!     Checking config_file_handler v0.11.0
Aug 30 20:32:20.640 INFO kablam!     Checking ws v0.7.3
Aug 30 20:32:21.881 INFO kablam!     Checking hyper v0.10.13
Aug 30 20:32:26.294 INFO kablam!    Compiling tokio-io v0.1.8
Aug 30 20:32:26.944 INFO kablam!    Compiling mio-uds v0.6.6
Aug 30 20:32:26.947 INFO kablam!     Checking log4rs v0.7.0
Aug 30 20:32:27.125 INFO kablam!    Compiling serde_urlencoded v0.5.3
Aug 30 20:32:32.511 INFO kablam!    Compiling tokio-reactor v0.1.5
Aug 30 20:32:32.511 INFO kablam!    Compiling tokio-codec v0.1.0
Aug 30 20:32:32.511 INFO kablam!    Compiling tokio-fs v0.1.3
Aug 30 20:32:32.684 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 20:32:32.684 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/file.rs:25:3
Aug 30 20:32:32.684 INFO kablam!    |
Aug 30 20:32:32.684 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 30 20:32:32.684 INFO kablam!    |   ^^^^^
Aug 30 20:32:32.704 INFO kablam!    |
Aug 30 20:32:32.704 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 20:32:32.704 INFO kablam! 
Aug 30 20:32:32.705 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 20:32:32.705 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/console.rs:24:3
Aug 30 20:32:32.705 INFO kablam!    |
Aug 30 20:32:32.705 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 20:32:32.705 INFO kablam!    |   ^^^^^
Aug 30 20:32:32.705 INFO kablam!    |
Aug 30 20:32:32.705 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 20:32:32.705 INFO kablam! 
Aug 30 20:32:32.705 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 20:32:32.705 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 30 20:32:32.705 INFO kablam!    |
Aug 30 20:32:32.705 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 30 20:32:32.705 INFO kablam!    |   ^^^^^
Aug 30 20:32:32.705 INFO kablam!    |
Aug 30 20:32:32.705 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 20:32:32.705 INFO kablam! 
Aug 30 20:32:32.705 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 20:32:32.705 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 30 20:32:32.705 INFO kablam!    |
Aug 30 20:32:32.705 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 30 20:32:32.705 INFO kablam!    |   ^^^^^
Aug 30 20:32:32.705 INFO kablam!    |
Aug 30 20:32:32.705 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 20:32:32.706 INFO kablam! 
Aug 30 20:32:32.707 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 20:32:32.707 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 30 20:32:32.707 INFO kablam!    |
Aug 30 20:32:32.707 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 30 20:32:32.707 INFO kablam!    |   ^^^^^
Aug 30 20:32:32.707 INFO kablam!    |
Aug 30 20:32:32.707 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 20:32:32.707 INFO kablam! 
Aug 30 20:32:32.707 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 20:32:32.707 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/policy/compound/mod.rs:24:3
Aug 30 20:32:32.707 INFO kablam!    |
Aug 30 20:32:32.707 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 30 20:32:32.707 INFO kablam!    |   ^^^^^
Aug 30 20:32:32.707 INFO kablam!    |
Aug 30 20:32:32.707 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 20:32:32.707 INFO kablam! 
Aug 30 20:32:32.707 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 20:32:32.707 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.7.0/src/append/rolling_file/mod.rs:46:3
Aug 30 20:32:32.708 INFO kablam!    |
Aug 30 20:32:32.708 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 30 20:32:32.708 INFO kablam!    |   ^^^^^
Aug 30 20:32:32.708 INFO kablam!    |
Aug 30 20:32:32.708 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 30 20:32:32.708 INFO kablam! 
Aug 30 20:32:32.933 INFO kablam! error: aborting due to 7 previous errors
Aug 30 20:32:32.933 INFO kablam! 
Aug 30 20:32:32.933 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 30 20:32:32.942 INFO kablam! error: Could not compile `log4rs`.
Aug 30 20:32:32.943 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 20:32:38.250 INFO kablam! error: build failed
Aug 30 20:32:38.252 INFO kablam! su: No module specific data is present
Aug 30 20:32:38.732 INFO running `"docker" "rm" "-f" "ec203bc45a529187de06e620c129987d9eb449db7444e4f6ba86c854383f1ca9"`
Aug 30 20:32:38.903 INFO blam! ec203bc45a529187de06e620c129987d9eb449db7444e4f6ba86c854383f1ca9