Sep 03 21:07:43.504 INFO checking AlexW-GH/rust8 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 03 21:07:43.504 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 03 21:07:43.504 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 21:07:43.723 INFO blam! b0ec830a30324620e794949b9d9364b79f4a61a739b8f1fa3e669507fba73e7a
Sep 03 21:07:43.725 INFO running `"docker" "start" "-a" "b0ec830a30324620e794949b9d9364b79f4a61a739b8f1fa3e669507fba73e7a"`
Sep 03 21:07:44.917 INFO kablam!     Checking shader_version v0.2.2
Sep 03 21:07:44.955 INFO kablam!     Checking vecmath v0.3.0
Sep 03 21:07:44.955 INFO kablam!    Compiling miniz-sys v0.1.9
Sep 03 21:07:44.983 INFO kablam!     Checking stb_truetype v0.2.1
Sep 03 21:07:45.003 INFO kablam!     Checking serde_json v0.9.9
Sep 03 21:07:45.017 INFO kablam!     Checking humantime v1.0.0
Sep 03 21:07:45.037 INFO kablam!    Compiling phf_generator v0.7.21
Sep 03 21:07:45.045 INFO kablam!     Checking pistoncore-input v0.17.1
Sep 03 21:07:46.470 INFO kablam!     Checking ordered-float v0.4.0
Sep 03 21:07:46.630 INFO kablam!     Checking arrayvec v0.3.21
Sep 03 21:07:47.412 INFO kablam!     Checking serde_yaml v0.6.2
Sep 03 21:07:47.995 INFO kablam!    Compiling gl v0.6.1
Sep 03 21:07:48.690 INFO kablam!    Compiling phf_codegen v0.7.21
Sep 03 21:07:50.084 INFO kablam!     Checking serde-value v0.4.0
Sep 03 21:07:50.553 INFO kablam!     Checking piston2d-graphics v0.21.1
Sep 03 21:07:51.465 INFO kablam!    Compiling target_build_utils v0.3.0
Sep 03 21:07:55.924 INFO kablam!     Checking rusttype v0.2.1
Sep 03 21:07:56.664 INFO kablam!     Checking flate2 v0.2.17
Sep 03 21:07:57.917 INFO kablam!     Checking pistoncore-window v0.26.2
Sep 03 21:07:59.439 INFO kablam!     Checking pistoncore-event_loop v0.31.4
Sep 03 21:07:59.765 INFO kablam!     Checking log4rs v0.6.2
Sep 03 21:08:00.851 INFO kablam!     Checking piston v0.31.4
Sep 03 21:08:01.305 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 03 21:08:01.305 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/file.rs:25:3
Sep 03 21:08:01.305 INFO kablam!    |
Sep 03 21:08:01.305 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 03 21:08:01.305 INFO kablam!    |   ^^^^^
Sep 03 21:08:01.305 INFO kablam!    |
Sep 03 21:08:01.305 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 03 21:08:01.305 INFO kablam! 
Sep 03 21:08:01.306 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 03 21:08:01.306 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/console.rs:24:3
Sep 03 21:08:01.306 INFO kablam!    |
Sep 03 21:08:01.306 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 03 21:08:01.306 INFO kablam!    |   ^^^^^
Sep 03 21:08:01.306 INFO kablam!    |
Sep 03 21:08:01.306 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 03 21:08:01.306 INFO kablam! 
Sep 03 21:08:01.306 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 03 21:08:01.307 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/rolling_file/policy/compound/roll/delete.rs:16:3
Sep 03 21:08:01.307 INFO kablam!    |
Sep 03 21:08:01.307 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 03 21:08:01.307 INFO kablam!    |   ^^^^^
Sep 03 21:08:01.307 INFO kablam!    |
Sep 03 21:08:01.307 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 03 21:08:01.307 INFO kablam! 
Sep 03 21:08:01.307 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 03 21:08:01.307 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
Sep 03 21:08:01.307 INFO kablam!    |
Sep 03 21:08:01.307 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 03 21:08:01.307 INFO kablam!    |   ^^^^^
Sep 03 21:08:01.307 INFO kablam!    |
Sep 03 21:08:01.307 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 03 21:08:01.307 INFO kablam! 
Sep 03 21:08:01.308 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 03 21:08:01.308 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/rolling_file/policy/compound/trigger/size.rs:21:3
Sep 03 21:08:01.308 INFO kablam!    |
Sep 03 21:08:01.308 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 03 21:08:01.308 INFO kablam!    |   ^^^^^
Sep 03 21:08:01.308 INFO kablam!    |
Sep 03 21:08:01.308 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 03 21:08:01.308 INFO kablam! 
Sep 03 21:08:01.308 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 03 21:08:01.308 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/rolling_file/policy/compound/mod.rs:24:3
Sep 03 21:08:01.308 INFO kablam!    |
Sep 03 21:08:01.308 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 03 21:08:01.308 INFO kablam!    |   ^^^^^
Sep 03 21:08:01.308 INFO kablam!    |
Sep 03 21:08:01.309 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 03 21:08:01.309 INFO kablam! 
Sep 03 21:08:01.309 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 03 21:08:01.309 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/rolling_file/mod.rs:46:3
Sep 03 21:08:01.309 INFO kablam!    |
Sep 03 21:08:01.309 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 03 21:08:01.309 INFO kablam!    |   ^^^^^
Sep 03 21:08:01.309 INFO kablam!    |
Sep 03 21:08:01.309 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 03 21:08:01.309 INFO kablam! 
Sep 03 21:08:01.394 INFO kablam! error: aborting due to 7 previous errors
Sep 03 21:08:01.394 INFO kablam! 
Sep 03 21:08:01.394 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 03 21:08:01.407 INFO kablam! error: Could not compile `log4rs`.
Sep 03 21:08:01.407 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 03 21:08:09.554 INFO kablam! error: build failed
Sep 03 21:08:09.557 INFO kablam! su: No module specific data is present
Sep 03 21:08:10.061 INFO running `"docker" "rm" "-f" "b0ec830a30324620e794949b9d9364b79f4a61a739b8f1fa3e669507fba73e7a"`
Sep 03 21:08:10.226 INFO blam! b0ec830a30324620e794949b9d9364b79f4a61a739b8f1fa3e669507fba73e7a