Aug 29 20:39:12.954 INFO checking AlexW-GH/rust8 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 29 20:39:12.954 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 29 20:39:12.954 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-0/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 29 20:39:13.123 INFO blam! 0da0fa630a74d8f3787efd336adc01575dc508c49c59afabd9b024785d55b6b3
Aug 29 20:39:13.127 INFO running `"docker" "start" "-a" "0da0fa630a74d8f3787efd336adc01575dc508c49c59afabd9b024785d55b6b3"`
Aug 29 20:39:13.976 INFO kablam!    Compiling serde v0.9.11
Aug 29 20:39:13.978 INFO kablam!    Compiling log v0.3.7
Aug 29 20:39:13.984 INFO kablam!    Compiling miniz-sys v0.1.9
Aug 29 20:39:13.987 INFO kablam!     Checking humantime v1.0.0
Aug 29 20:39:13.987 INFO kablam!    Compiling phf_generator v0.7.21
Aug 29 20:39:13.991 INFO kablam!     Checking pistoncore-input v0.17.1
Aug 29 20:39:13.991 INFO kablam!    Compiling syn v0.11.9
Aug 29 20:39:14.708 INFO kablam!     Checking ordered-float v0.4.0
Aug 29 20:39:16.281 INFO kablam!     Checking arrayvec v0.3.21
Aug 29 20:39:16.292 INFO kablam!    Compiling phf_codegen v0.7.21
Aug 29 20:39:17.004 INFO kablam!    Compiling gl_generator v0.5.2
Aug 29 20:39:18.114 INFO kablam!    Compiling target_build_utils v0.3.0
Aug 29 20:39:19.846 INFO kablam!     Checking flate2 v0.2.17
Aug 29 20:39:22.015 INFO kablam!     Checking rusttype v0.2.1
Aug 29 20:39:30.128 INFO kablam!     Checking pistoncore-window v0.26.2
Aug 29 20:39:30.917 INFO kablam!    Compiling glutin v0.7.4
Aug 29 20:39:32.885 INFO kablam!    Compiling gl v0.6.1
Aug 29 20:39:43.142 INFO kablam!     Checking pistoncore-event_loop v0.31.4
Aug 29 20:39:43.145 INFO kablam!    Compiling serde_codegen_internals v0.14.1
Aug 29 20:39:44.839 INFO kablam!     Checking piston v0.31.4
Aug 29 20:39:49.659 INFO kablam!    Compiling serde_derive v0.9.11
Aug 29 20:40:01.397 INFO kablam!     Checking serde_json v0.9.9
Aug 29 20:40:01.400 INFO kablam!     Checking serde-value v0.4.0
Aug 29 20:40:01.403 INFO kablam!     Checking serde_yaml v0.6.2
Aug 29 20:40:11.542 INFO kablam!     Checking log4rs v0.6.2
Aug 29 20:40:12.488 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 29 20:40:12.488 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/file.rs:25:3
Aug 29 20:40:12.488 INFO kablam!    |
Aug 29 20:40:12.488 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Aug 29 20:40:12.488 INFO kablam!    |   ^^^^^
Aug 29 20:40:12.489 INFO kablam!    |
Aug 29 20:40:12.490 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 29 20:40:12.490 INFO kablam! 
Aug 29 20:40:12.491 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 29 20:40:12.491 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/console.rs:24:3
Aug 29 20:40:12.491 INFO kablam!    |
Aug 29 20:40:12.491 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 29 20:40:12.491 INFO kablam!    |   ^^^^^
Aug 29 20:40:12.491 INFO kablam!    |
Aug 29 20:40:12.492 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 29 20:40:12.492 INFO kablam! 
Aug 29 20:40:12.493 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 29 20:40:12.493 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/rolling_file/policy/compound/roll/delete.rs:16:3
Aug 29 20:40:12.493 INFO kablam!    |
Aug 29 20:40:12.493 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Aug 29 20:40:12.493 INFO kablam!    |   ^^^^^
Aug 29 20:40:12.494 INFO kablam!    |
Aug 29 20:40:12.494 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 29 20:40:12.495 INFO kablam! 
Aug 29 20:40:12.495 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 29 20:40:12.495 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/rolling_file/policy/compound/roll/fixed_window.rs:17:3
Aug 29 20:40:12.495 INFO kablam!    |
Aug 29 20:40:12.496 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Aug 29 20:40:12.496 INFO kablam!    |   ^^^^^
Aug 29 20:40:12.496 INFO kablam!    |
Aug 29 20:40:12.497 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 29 20:40:12.497 INFO kablam! 
Aug 29 20:40:12.498 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 29 20:40:12.498 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/rolling_file/policy/compound/trigger/size.rs:21:3
Aug 29 20:40:12.498 INFO kablam!    |
Aug 29 20:40:12.498 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Aug 29 20:40:12.498 INFO kablam!    |   ^^^^^
Aug 29 20:40:12.499 INFO kablam!    |
Aug 29 20:40:12.499 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 29 20:40:12.499 INFO kablam! 
Aug 29 20:40:12.500 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 29 20:40:12.500 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/rolling_file/policy/compound/mod.rs:24:3
Aug 29 20:40:12.500 INFO kablam!    |
Aug 29 20:40:12.500 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Aug 29 20:40:12.500 INFO kablam!    |   ^^^^^
Aug 29 20:40:12.501 INFO kablam!    |
Aug 29 20:40:12.501 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 29 20:40:12.502 INFO kablam! 
Aug 29 20:40:12.503 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 29 20:40:12.503 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/rolling_file/mod.rs:46:3
Aug 29 20:40:12.503 INFO kablam!    |
Aug 29 20:40:12.503 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Aug 29 20:40:12.503 INFO kablam!    |   ^^^^^
Aug 29 20:40:12.503 INFO kablam!    |
Aug 29 20:40:12.504 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Aug 29 20:40:12.504 INFO kablam! 
Aug 29 20:40:12.583 INFO kablam! error: aborting due to 7 previous errors
Aug 29 20:40:12.594 INFO kablam! 
Aug 29 20:40:12.594 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Aug 29 20:40:12.603 INFO kablam! error: Could not compile `log4rs`.
Aug 29 20:40:12.603 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 29 20:40:15.878 INFO kablam! error: build failed
Aug 29 20:40:15.879 INFO kablam! su: No module specific data is present
Aug 29 20:40:16.237 INFO running `"docker" "rm" "-f" "0da0fa630a74d8f3787efd336adc01575dc508c49c59afabd9b024785d55b6b3"`
Aug 29 20:40:16.327 INFO blam! 0da0fa630a74d8f3787efd336adc01575dc508c49c59afabd9b024785d55b6b3