Sep 03 21:07:43.326 INFO checking AlexW-GH/rust8 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 03 21:07:43.326 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 03 21:07:43.327 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 03 21:07:43.535 INFO blam! af23035b4d2338f2386fec886cede7eb0142d5385299812946dd097ab09a932f
Sep 03 21:07:43.537 INFO running `"docker" "start" "-a" "af23035b4d2338f2386fec886cede7eb0142d5385299812946dd097ab09a932f"`
Sep 03 21:07:44.651 INFO kablam!    Compiling serde v0.9.11
Sep 03 21:07:44.657 INFO kablam!    Compiling log v0.3.7
Sep 03 21:07:44.667 INFO kablam!    Compiling rand v0.3.15
Sep 03 21:07:44.668 INFO kablam!     Checking shared_library v0.1.5
Sep 03 21:07:44.668 INFO kablam!    Compiling x11-dl v2.12.0
Sep 03 21:07:44.669 INFO kablam!     Checking enum_primitive v0.1.1
Sep 03 21:07:44.669 INFO kablam!    Compiling miniz-sys v0.1.9
Sep 03 21:07:44.678 INFO kablam!     Checking deflate v0.7.5
Sep 03 21:07:45.613 INFO kablam!     Checking gif v0.9.1
Sep 03 21:07:46.243 INFO kablam!     Checking humantime v1.0.0
Sep 03 21:07:47.835 INFO kablam!     Checking serde_json v0.9.9
Sep 03 21:07:48.639 INFO kablam!    Compiling tempfile v2.1.5
Sep 03 21:07:48.649 INFO kablam!     Checking deque v0.3.1
Sep 03 21:07:48.670 INFO kablam!     Checking num-rational v0.1.36
Sep 03 21:07:50.316 INFO kablam!     Checking pistoncore-input v0.17.1
Sep 03 21:07:50.675 INFO kablam!     Checking piston2d-graphics v0.21.1
Sep 03 21:07:50.987 INFO kablam!     Checking arrayvec v0.3.21
Sep 03 21:07:51.747 INFO kablam!     Checking osmesa-sys v0.1.2
Sep 03 21:07:53.817 INFO kablam!    Compiling gl_generator v0.5.2
Sep 03 21:07:54.315 INFO kablam!     Checking rayon v0.6.0
Sep 03 21:07:57.990 INFO kablam!     Checking serde-value v0.4.0
Sep 03 21:07:58.063 INFO kablam!     Checking png v0.6.2
Sep 03 21:08:00.311 INFO kablam!     Checking fs2 v0.2.5
Sep 03 21:08:01.271 INFO kablam!     Checking rusttype v0.2.1
Sep 03 21:08:02.659 INFO kablam!    Compiling phf_generator v0.7.21
Sep 03 21:08:04.652 INFO kablam!     Checking memmap v0.4.0
Sep 03 21:08:05.931 INFO kablam!     Checking pistoncore-window v0.26.2
Sep 03 21:08:06.022 INFO kablam!     Checking flate2 v0.2.17
Sep 03 21:08:06.170 INFO kablam!    Compiling phf_codegen v0.7.21
Sep 03 21:08:06.837 INFO kablam!     Checking jpeg-decoder v0.1.11
Sep 03 21:08:06.929 INFO kablam!    Compiling gl v0.6.1
Sep 03 21:08:07.658 INFO kablam!    Compiling glutin v0.7.4
Sep 03 21:08:07.899 INFO kablam!     Checking pistoncore-event_loop v0.31.4
Sep 03 21:08:10.109 INFO kablam!    Compiling target_build_utils v0.3.0
Sep 03 21:08:14.774 INFO kablam!     Checking piston v0.31.4
Sep 03 21:08:14.881 INFO kablam!     Checking log4rs v0.6.2
Sep 03 21:08:15.904 INFO kablam!     Checking image v0.12.3
Sep 03 21:08:16.472 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 21:08:16.472 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/file.rs:25:3
Sep 03 21:08:16.472 INFO kablam!    |
Sep 03 21:08:16.472 INFO kablam! 25 | #[serde(deny_unknown_fields)]
Sep 03 21:08:16.472 INFO kablam!    |   ^^^^^
Sep 03 21:08:16.474 INFO kablam!    |
Sep 03 21:08:16.475 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 03 21:08:16.475 INFO kablam! 
Sep 03 21:08:16.475 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 21:08:16.475 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/console.rs:24:3
Sep 03 21:08:16.475 INFO kablam!    |
Sep 03 21:08:16.475 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 03 21:08:16.475 INFO kablam!    |   ^^^^^
Sep 03 21:08:16.475 INFO kablam!    |
Sep 03 21:08:16.476 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 03 21:08:16.476 INFO kablam! 
Sep 03 21:08:16.476 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 21:08:16.476 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 21:08:16.476 INFO kablam!    |
Sep 03 21:08:16.476 INFO kablam! 16 | #[serde(deny_unknown_fields)]
Sep 03 21:08:16.476 INFO kablam!    |   ^^^^^
Sep 03 21:08:16.476 INFO kablam!    |
Sep 03 21:08:16.476 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 03 21:08:16.476 INFO kablam! 
Sep 03 21:08:16.477 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 21:08:16.477 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 21:08:16.477 INFO kablam!    |
Sep 03 21:08:16.477 INFO kablam! 17 | #[serde(deny_unknown_fields)]
Sep 03 21:08:16.477 INFO kablam!    |   ^^^^^
Sep 03 21:08:16.477 INFO kablam!    |
Sep 03 21:08:16.477 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 03 21:08:16.477 INFO kablam! 
Sep 03 21:08:16.477 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 21:08:16.477 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 21:08:16.477 INFO kablam!    |
Sep 03 21:08:16.477 INFO kablam! 21 | #[serde(deny_unknown_fields)]
Sep 03 21:08:16.477 INFO kablam!    |   ^^^^^
Sep 03 21:08:16.477 INFO kablam!    |
Sep 03 21:08:16.477 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 03 21:08:16.478 INFO kablam! 
Sep 03 21:08:16.478 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 21:08:16.478 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 21:08:16.478 INFO kablam!    |
Sep 03 21:08:16.478 INFO kablam! 24 | #[serde(deny_unknown_fields)]
Sep 03 21:08:16.478 INFO kablam!    |   ^^^^^
Sep 03 21:08:16.478 INFO kablam!    |
Sep 03 21:08:16.478 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 03 21:08:16.478 INFO kablam! 
Sep 03 21:08:16.478 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 21:08:16.478 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/log4rs-0.6.2/src/append/rolling_file/mod.rs:46:3
Sep 03 21:08:16.478 INFO kablam!    |
Sep 03 21:08:16.478 INFO kablam! 46 | #[serde(deny_unknown_fields)]
Sep 03 21:08:16.478 INFO kablam!    |   ^^^^^
Sep 03 21:08:16.478 INFO kablam!    |
Sep 03 21:08:16.478 INFO kablam!    = help: add #![feature(custom_attribute)] to the crate attributes to enable
Sep 03 21:08:16.478 INFO kablam! 
Sep 03 21:08:16.575 INFO kablam! error: aborting due to 7 previous errors
Sep 03 21:08:16.590 INFO kablam! 
Sep 03 21:08:16.591 INFO kablam! For more information about this error, try `rustc --explain E0658`.
Sep 03 21:08:16.601 INFO kablam! error: Could not compile `log4rs`.
Sep 03 21:08:16.602 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 03 21:08:25.314 INFO kablam! error: build failed
Sep 03 21:08:25.316 INFO kablam! su: No module specific data is present
Sep 03 21:08:25.632 INFO running `"docker" "rm" "-f" "af23035b4d2338f2386fec886cede7eb0142d5385299812946dd097ab09a932f"`
Sep 03 21:08:25.725 INFO blam! af23035b4d2338f2386fec886cede7eb0142d5385299812946dd097ab09a932f